Updated: Sunday 18 January 2026 - 10:23 
Next update: Sunday 18 January 2026 - 14:23 

Our own forecast Harrow, UK
by: Hillview Weather


Temperature

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Thunder

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Sol

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Wind

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Max/Min Temperature

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This
afternoon
Tonight Monday Monday
night
Tuesday Tuesday
night
Wednesday Wednesday
night
cloudy nbkn bkn nra bkn nra ra nra
Cloudy Mostly Cloudy Mostly Cloudy Chance rain Mostly Cloudy Rain likely Chance rain Rain likely
- <2 mm (20%) <2 mm (30%) <2 mm (40%) <2 mm (20%) 10 mm (80%) <5 mm (50%) 7 mm (70%)
Hi: Lo: Hi: Lo: Hi: Lo: Hi: Lo:
ESE
1.8641 mph ESE
ESE
1.8641 mph ESE
ESE
3.1069 mph ESE
SE
4.3496 mph SE
SSE
6.2137 mph SSE
SSE
6.2137 mph SSE
SSE
4.3496 mph SSE
SE
6.2137 mph SE
cloudyThis
afternoon
Cloudy. High 9°. UV index up to 0. Wind east-southeast around 3 mph.
nbknTonightMostly cloudy to cloudy. A slight chance of rain. Low 6°. Wind east-southeast around 3 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
bknMondayMostly cloudy to cloudy in the morning, becoming cloudy in the afternoon. A slight chance of rain in the morning, then a chance of rain in the afternoon. High 9°. UV index up to 0. Wind east-southeast around 5 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
nraMonday
night
Dense overcast in the evening, becoming cloudy after midnight. A chance of rain in the evening, then a slight chance of rain after midnight. Low 6°. Wind southeast around 7 mph. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
bknTuesdayPartly to mostly cloudy in the morning, becoming mostly cloudy in the afternoon. A slight chance of rain. High 9°. UV index up to 0. Wind south-southeast around 10 mph, gusting to 18 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
nraTuesday
night
Dense overcast. A chance of rain in the evening, then rain likely after midnight. Low 6°. Wind south-southeast around 10 mph, gusting to 17 mph. Chance of precipitation 80 percent. Precipitation mostly around 10 mm.
raWednesdayPartly cloudy in the morning, becoming mostly cloudy in the afternoon. Patchy light fog in the morning. A chance of rain in the morning, then a slight chance of rain in the afternoon. High 9°. UV index up to 0. Wind south-southeast around 7 mph. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
nraWednesday
night
Dense overcast in the evening, becoming mostly cloudy to cloudy after midnight. Patchy light fog after midnight. Rain likely in the evening, then a chance of rain after midnight. Low 6°. Wind southeast around 10 mph, gusting to 17 mph. Chance of precipitation 70 percent. Precipitation mostly between 5 and 10 mm.
raThursdayPartly to mostly cloudy in the morning, becoming dense overcast in the afternoon. Patchy light fog in the morning. A slight chance of rain in the morning, then a chance of rain in the afternoon. High 8°. UV index up to 0. Wind southeast around 9 mph, gusting to 16 mph. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
nraThursday
night
Cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Patchy light fog. Rain likely. Low 6°. Wind southeast around 9 mph, gusting to 16 mph. Chance of precipitation 60 percent. Precipitation mostly between 2 and 5 mm.
raFridayMostly cloudy to cloudy in the morning, becoming partly to mostly cloudy in the afternoon. A chance of rain in the morning, then a slight chance of rain in the afternoon. High 9°. UV index up to 0. Wind southeast around 11 mph, gusting to 18 mph. Chance of precipitation 50 percent. Precipitation mostly around 2 mm.
nbknFriday
night
Partly to mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Low 5°. Wind southeast around 8 mph, gusting to 15 mph.
sctSaturdayPartly to mostly cloudy in the morning, becoming partly cloudy in the afternoon. High 8°. UV index up to 0. Wind east-southeast around 10 mph, gusting to 17 mph.
nbknSaturday
night
Mostly cloudy to cloudy in the evening, becoming cloudy after midnight. A slight chance of rain after midnight. Low 3°. Wind east-northeast around 10 mph, gusting to 17 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Period Forecast Temperature Wind Precipitation Pressure UV
Morning
09 - 12
Cloudy Light dew Cloudy ESE 3 mph
Gust up to 7 mph
1 Bft Light air
- 1017 hPa-
Afternoon
12 - 18
Cloudy Light dew Overcast - Cloudy ESE 4 mph
Gust up to 8 mph
1 Bft Light air
- 1016 hPa-
Evening
18 - 00
Mostly cloudy Heavy dewCloudy Light rain Mostly cloudy
Light rain
ESE 4 mph
1 Bft Light air
0.51 mm 1016 hPa-
Period Forecast Temperature Wind Precipitation Pressure UV
Night
00 - 06
Mostly cloudy Heavy dewCloudy Moderate dew Cloudy ESE 4 mph
1 Bft Light air
- 1014 hPa-
Morning
06 - 12
Cloudy Moderate dewCloudy Drizzle Cloudy
Drizzle
ESE 6 mph
Gust up to 10 mph
2 Bft Light breeze
0.26 mm 1014 hPa-
Afternoon
12 - 18
Overcast Light dewCloudy Light rain Cloudy - Overcast
Drizzle - Light rain
ESE 7 mph
Gust up to 12 mph
2 Bft Light breeze
1.03 mm 1014 hPa-
Evening
18 - 00
Overcast Light dewOvercast Drizzle Overcast
Light rain - Drizzle
ESE SSE 7 mph
Gust up to 11 mph
2 Bft Light breeze
1.03 mm 1014 hPa-
Period Forecast Temperature Wind Precipitation Pressure UV
Night
00 - 06
Mostly cloudy Heavy dewMostly cloudy Drizzle Overcast - Mostly cloudy
Drizzle
SSE 9 mph
Gust up to 14 mph
3 Bft Gentle breeze
0.29 mm 1013 hPa-
Morning
06 - 12
Mostly cloudy Heavy dewMostly cloudy Moderate dew Mostly cloudy
Drizzle
SSE 8 - 12 mph
Gust up to 17 mph
3 Bft Gentle breeze
0.19 mm 1013 hPa-
Afternoon
12 - 18
Cloudy Moderate dewCloudy Drizzle Cloudy
Drizzle
SSE 12 mph
Gust up to 18 mph
3 Bft Gentle breeze
0.44 mm 1011 hPa-
Evening
18 - 00
Overcast Moderate dewOvercast Light rain Cloudy - Overcast
Light rain
SSE 12 mph
Gust up to 17 mph
3 Bft Gentle breeze
3.19 mm 1009 hPa-
Period Forecast Temperature Wind Precipitation Pressure UV
Night
00 - 06
Overcast Chance drizzleMostly cloudy Light fog Overcast - Mostly cloudy
Chance drizzle - Moderate rain - Light fog
SSE 7 - 13 mph
Gust up to 18 mph
4 Bft Moderate breeze
6.28 mm 1005 hPa-
Morning
06 - 12
Partly cloudy Heavy dewPartly cloudy Light fog Partly cloudy
Light fog - Light rain - Drizzle
SSE 7 mph
Gust up to 13 mph
2 Bft Light breeze
2.6 mm 1000 hPa-
Afternoon
12 - 18
Partly cloudy Moderate dewOvercast Chance Rain Showers Cloudy - Overcast
Drizzle - Chance Rain Showers
SSE SE 9 mph
Gust up to 15 mph
3 Bft Gentle breeze
0.54 mm 994 hPa-
Evening
18 - 00
Overcast Chance Rain ShowersOvercast Moderate rain Overcast
Chance Rain Showers - Moderate rain - Chance drizzle
SE 12 mph
Gust up to 18 mph
3 Bft Gentle breeze
6.33 mm 989 hPa-
Period Forecast Temperature Wind Precipitation Pressure UV
Night
00 - 06
Partly cloudy Light fogCloudy Chance Rain Showers Overcast - Partly cloudy
Chance Rain Showers - Light rain - Drizzle - Light fog
SE 7 - 11 mph
Gust up to 16 mph
3 Bft Gentle breeze
0.65 mm 987 hPa-
Morning
06 - 12
Partly cloudy DrizzleCloudy Chance Rain Showers Cloudy
Light fog - Drizzle - Chance Rain Showers
SE 10 mph
Gust up to 15 mph
3 Bft Gentle breeze
0.44 mm 988 hPa-
Afternoon
12 - 18
Overcast Probably showers Cloudy - Overcast
Chance Rain Showers - Drizzle - Probably showers - Light rain
SE 11 mph
Gust up to 16 mph
3 Bft Gentle breeze
0.79 mm 988 hPa-
Evening
18 - 00
Mostly cloudy Chance Rain ShowersCloudy Chance Rain Showers Overcast - Mostly cloudy
Probably showers - Light rain - Chance Rain Showers - Drizzle
SE 7 - 11 mph
Gust up to 16 mph
3 Bft Gentle breeze
0.9 mm 987 hPa-
Period Forecast Temperature Wind Precipitation Pressure UV
Night
00 - 06
Mostly cloudy Chance Rain ShowersOvercast Chance Rain Showers Cloudy - Overcast
Chance Rain Showers - Drizzle - Probably showers - Light rain
SE 10 mph
Gust up to 15 mph
3 Bft Gentle breeze
1.79 mm 986 hPa-
Morning
06 - 12
Mostly cloudy Chance Rain ShowersMostly cloudy Chance Rain Showers Overcast - Mostly cloudy
Chance Rain Showers - Light rain
SE 13 mph
Gust up to 18 mph
4 Bft Moderate breeze
1.49 mm 986 hPa-
Afternoon
12 - 18
Partly cloudy Moderate dewPartly cloudy Drizzle Partly cloudy
Chance Rain Showers - Drizzle - Probably showers
SE 9 - 13 mph
Gust up to 19 mph
4 Bft Moderate breeze
0.44 mm 989 hPa-
Evening
18 - 00
Partly cloudy Heavy dewCloudy Chance Rain Showers Cloudy
Chance Rain Showers
SE 8 mph
Gust up to 14 mph
2 Bft Light breeze
- 994 hPa-
Period Forecast Temperature Wind Precipitation Pressure UV
Night
00 - 06
Mostly cloudy Heavy dewCloudy Chance Rain Showers Mostly cloudy
Chance Rain Showers
SE 11 mph
Gust up to 16 mph
3 Bft Gentle breeze
- 997 hPa-
Morning
06 - 12
Partly cloudy Heavy dewMostly cloudy Heavy dew Partly cloudy SE East 11 mph
Gust up to 16 mph
3 Bft Gentle breeze
- 998 hPa-
Afternoon
12 - 18
Partly cloudy Moderate dewMostly cloudy Heavy dew Mostly cloudy East 11 mph
Gust up to 17 mph
3 Bft Gentle breeze
- 998 hPa-
Evening
18 - 00
Mostly cloudy Heavy dewCloudy Heavy dew Cloudy East NE 12 mph
Gust up to 18 mph
3 Bft Gentle breeze
- 1000 hPa-
Period Forecast Temperature Wind Precipitation Pressure UV
Night
00 - 06
Cloudy Heavy dewCloudy Drizzle Cloudy
Drizzle
NE 11 mph
Gust up to 17 mph
3 Bft Gentle breeze
0.05 mm 1000 hPa-
Morning
06 - 10
Cloudy Heavy dew Cloudy NE 9 mph
Gust up to 14 mph
3 Bft Gentle breeze
- 1000 hPa-
Period Forecast Temperature Wind Precipitation Lightning Dewpoint Pressure Humidity UV Clouds Zicht
09 - 10 Mostly cloudy Light dew
Mostly cloudy
ESE
2 mph ESE 1 Bft
Light air
- - 7°C 1017.0 hPa 94 %- 93 % 13 miles
10 - 11 Cloudy Light dew
Cloudy
ESE
3 mph ESE 1 Bft
Light air
- - 7°C 1017.4 hPa 92 %- 92 % 13 miles
11 - 12 Cloudy Light dew
Cloudy
ESE
3 mph ESE 1 Bft
Light air
- - 7°C 1017.6 hPa 91 %- 96 % 13 miles
12 - 13 Overcast
Overcast
ESE
3 mph ESE 1 Bft
Light air
- - 7°C 1017.4 hPa 90 %- 98 % 13 miles
13 - 14 Cloudy
Cloudy
ESE
3 mph ESE 1 Bft
Light air
- - 7°C 1016.8 hPa 88 %- 98 % 13 miles
14 - 15 Cloudy
Cloudy
ESE
2 mph ESE 1 Bft
Light air
- - 7°C 1016.4 hPa 87 %- 98 % 13 miles
15 - 16 Cloudy
Cloudy
ESE
2 mph ESE 1 Bft
Light air
- - 7°C 1016.1 hPa 87 %- 97 % 13 miles
16 - 17 Cloudy
Cloudy
ESE
3 mph ESE 1 Bft
Light air
- - 7°C 1016.0 hPa 88 %- 96 % 13 miles
17 - 18 Cloudy Light dew
Cloudy
ESE
3 mph ESE 1 Bft
Light air
- - 6°C 1016.1 hPa 90 %- 94 % 13 miles
18 - 19 Cloudy Light dew
Cloudy
ESE
3 mph ESE 1 Bft
Light air
- - 6°C 1016.1 hPa 91 %- 92 % 13 miles
19 - 20 Cloudy Light dew
Cloudy
ESE
3 mph ESE 1 Bft
Light air
- - 6°C 1016.1 hPa 92 %- 94 % 13 miles
20 - 21 Cloudy Moderate dew
Cloudy
ESE
3 mph ESE 1 Bft
Light air
- - 6°C 1015.8 hPa 93 %- 97 % 13 miles
21 - 22 Cloudy Moderate dew
Cloudy
ESE
2 mph ESE 1 Bft
Light air
- - 6°C 1015.5 hPa 94 %- 97 % 13 miles
22 - 23 Cloudy Light rain
Cloudy
Light rain
ESE
3 mph ESE 1 Bft
Light air
0.08 mm - 6°C 1015.2 hPa 95 %- 89 % 10 miles
23 - 00 Mostly cloudy Heavy dew
Mostly cloudy
ESE
3 mph ESE 1 Bft
Light air
0.43 mm - 6°C 1015.0 hPa 97 %- 82 % 12 miles
Period Forecast Temperature Wind Precipitation Lightning Dewpoint Pressure Humidity UV Clouds Zicht
00 - 01 Mostly cloudy Heavy dew
Mostly cloudy
ESE
3 mph ESE 1 Bft
Light air
- - 6°C 1014.8 hPa 97 %- 79 % 11 miles
01 - 02 Cloudy Heavy dew
Cloudy
ESE
3 mph ESE 1 Bft
Light air
- - 6°C 1014.6 hPa 98 %- 82 % 11 miles
02 - 03 Cloudy Heavy dew
Cloudy
ESE
3 mph ESE 1 Bft
Light air
- - 6°C 1014.4 hPa 98 %- 86 % 11 miles
03 - 04 Cloudy Heavy dew
Cloudy
ESE
3 mph ESE 1 Bft
Light air
- - 6°C 1014.2 hPa 98 %- 89 % 11 miles
04 - 05 Cloudy Heavy dew
Cloudy
ESE
3 mph ESE 1 Bft
Light air
- - 6°C 1013.9 hPa 98 %- 92 % 11 miles
05 - 06 Cloudy Moderate dew
Cloudy
ESE
3 mph ESE 1 Bft
Light air
- - 6°C 1013.7 hPa 98 %- 94 % 10 miles
06 - 07 Cloudy Moderate dew
Cloudy
ESE
4 mph ESE 1 Bft
Light air
- - 6°C 1013.8 hPa 98 %- 94 % 10 miles
07 - 08 Cloudy Drizzle
Cloudy
Drizzle
ESE
4 mph ESE 1 Bft
Light air
0.01 mm - 6°C 1013.9 hPa 98 %- 92 % 10 miles
08 - 09 Cloudy Heavy dew
Cloudy
ESE
4 mph ESE 1 Bft
Light air
0.04 mm - 6°C 1014.2 hPa 99 %- 89 % 10 miles
09 - 10 Cloudy Heavy dew
Cloudy
ESE
4 mph ESE 1 Bft
Light air
- - 6°C 1014.4 hPa 97 %- 88 % 11 miles
10 - 11 Cloudy Drizzle
Cloudy
Drizzle

(Feels like: 5°C)
ESE
5 mph ESE 2 Bft
Light breeze
0.03 mm - 6°C 1014.7 hPa 93 %- 90 % 11 miles
11 - 12 Cloudy Moderate dew
Cloudy
ESE
5 mph ESE 2 Bft
Light breeze
0.18 mm - 6°C 1014.7 hPa 92 %- 91 % 13 miles
12 - 13 Cloudy Light dew
Cloudy

(Feels like: 6°C)
ESE
6 mph ESE 2 Bft
Light breeze
- - 6°C 1014.3 hPa 88 %- 92 % 13 miles
13 - 14 Cloudy Drizzle
Cloudy
Drizzle
ESE
6 mph ESE 2 Bft
Light breeze
0.01 mm - 6°C 1013.7 hPa 85 %- 94 % 12 miles
14 - 15 Cloudy Light dew
Cloudy

(Feels like: 7°C)
ESE
7 mph ESE 2 Bft
Light breeze
0.04 mm - 6°C 1013.3 hPa 84 %- 96 % 13 miles
15 - 16 Cloudy Light dew
Cloudy

(Feels like: 7°C)
ESE
7 mph ESE 2 Bft
Light breeze
- - 6°C 1013.1 hPa 84 %- 97 % 13 miles
16 - 17 Cloudy Light rain
Cloudy
Light rain
ESE
7 mph ESE 2 Bft
Light breeze
0.16 mm - 6°C 1013.4 hPa 86 %- 98 % 9 miles
17 - 18 Overcast Light dew
Overcast

(Feels like: 6°C)
ESE
7 mph ESE 2 Bft
Light breeze
0.82 mm - 7°C 1013.8 hPa 92 %- 99 % 13 miles
18 - 19 Overcast Light dew
Overcast
ESE
6 mph ESE 2 Bft
Light breeze
- - 6°C 1014.3 hPa 93 %- 99 % 13 miles
19 - 20 Overcast Light rain
Overcast
Light rain
ESE
6 mph ESE 2 Bft
Light breeze
0.16 mm - 6°C 1014.5 hPa 94 %- 100 % 9 miles
20 - 21 Overcast Light dew
Overcast

(Feels like: 5°C)
ESE
6 mph ESE 2 Bft
Light breeze
0.82 mm - 7°C 1014.6 hPa 97 %- 100 % 12 miles
21 - 22 Overcast Light dew
Overcast

(Feels like: 5°C)
ESE
6 mph ESE 2 Bft
Light breeze
- - 7°C 1014.5 hPa 97 %- 100 % 11 miles
22 - 23 Overcast Drizzle
Overcast
Drizzle

(Feels like: 5°C)
ESE
6 mph ESE 2 Bft
Light breeze
0.01 mm - 7°C 1014.3 hPa 97 %- 100 % 11 miles
23 - 00 Overcast Light dew
Overcast

(Feels like: 5°C)
SSE
6 mph SSE 2 Bft
Light breeze
0.04 mm - 7°C 1014.1 hPa 98 %- 100 % 11 miles
Period Forecast Temperature Wind Precipitation Lightning Dewpoint Pressure Humidity UV Clouds Zicht
00 - 01 Overcast Light dew
Overcast

(Feels like: 5°C)
SSE
7 mph SSE 2 Bft
Light breeze
- - 7°C 1014.0 hPa 98 %- 99 % 11 miles
01 - 02 Cloudy Moderate dew
Cloudy

(Feels like: 5°C)
SSE
7 mph SSE 2 Bft
Light breeze
- - 7°C 1013.8 hPa 98 %- 98 % 11 miles
02 - 03 Cloudy Moderate dew
Cloudy

(Feels like: 5°C)
SSE
8 mph SSE 2 Bft
Light breeze
- - 7°C 1013.6 hPa 98 %- 96 % 11 miles
03 - 04 Cloudy Moderate dew
Cloudy

(Feels like: 4°C)
SSE
8 mph SSE 2 Bft
Light breeze
- - 7°C 1013.4 hPa 98 %- 92 % 11 miles
04 - 05 Mostly cloudy Drizzle
Mostly cloudy
Drizzle

(Feels like: 4°C)
SSE
8 mph SSE 3 Bft
Gentle breeze
0.05 mm - 6°C 1013.1 hPa 98 %- 82 % 10 miles
05 - 06 Mostly cloudy Heavy dew
Mostly cloudy

(Feels like: 4°C)
SSE
8 mph SSE 3 Bft
Gentle breeze
0.24 mm - 6°C 1012.9 hPa 99 %- 65 % 11 miles
06 - 07 Partly cloudy Heavy dew
Partly cloudy

(Feels like: 4°C)
SSE
9 mph SSE 3 Bft
Gentle breeze
- - 6°C 1012.8 hPa 98 %- 53 % 10 miles
07 - 08 Mostly cloudy Drizzle
Mostly cloudy
Drizzle

(Feels like: 3°C)
SSE
9 mph SSE 3 Bft
Gentle breeze
0.02 mm - 6°C 1012.8 hPa 98 %- 57 % 10 miles
08 - 09 Mostly cloudy Heavy dew
Mostly cloudy

(Feels like: 3°C)
SSE
9 mph SSE 3 Bft
Gentle breeze
0.12 mm - 6°C 1013.0 hPa 98 %- 62 % 11 miles

WXSIM script (v4.11) from Leuven-Template.eu.   Forecast is created from data by WXSIM.   Graphs are drawn using Highcharts
Thanks for the scripts, code-snippets and ideas go to: Ken True from SaratogaWeather; Rob from WellingtonWeather; HENKKA from NordicWeather.

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