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Updated: Monday 20 April 2026 - 06:25 
Next update: Monday 20 April 2026 - 10:25 

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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Today Tonight Tuesday Tuesday
night		 Wednesday Wednesday
night		 Thursday Thursday
night
bkn nsct sct nskc skc nfew skc nskc
Mostly Cloudy Partly Cloudy Partly Cloudy Clear Sunny Mostly Clear Sunny Clear
<2 mm (30%) - <2 mm (10%) - - - - -
Hi: 13° Lo: 4° Hi: 14° Lo: 3° Hi: 17° Lo: 4° Hi: 18° Lo: 4°
NE
4.3496 mph NE		 NE
4.3496 mph NE		 NE
6.8351 mph NE		 ENE
5.5923 mph ENE		 ENE
6.8351 mph ENE		 ENE
4.971 mph ENE		 ENE
5.5923 mph ENE		 NE
4.3496 mph NE
UV 3 Medium UV 3 Medium UV 4 Medium UV 4 Medium
bknTodayPartly to mostly sunny in the morning, becoming mostly cloudy to cloudy in the afternoon. A chance of rain. High 13°C. UV index up to 3. Wind northeast around 7 mph, gusting to 16 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
nsctTonightPartly cloudy in the evening, becoming fair to partly cloudy after midnight. Low 4°C. Wind northeast around 7 mph.
sctTuesdayPartly to mostly cloudy in the morning, becoming partly cloudy in the afternoon. A slight chance of rain. High 14°C. UV index up to 3. Wind northeast around 11 mph, gusting to 21 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
nskcTuesday
night		Clear. Low 3°C. Wind east-northeast around 9 mph, gusting to 20 mph.
skcWednesdaySunny. High 17°C. UV index up to 4. Wind east-northeast around 11 mph, gusting to 21 mph.
nfewWednesday
night		Mostly clear in the evening, becoming fair after midnight. Low 4°C. Wind east-northeast around 8 mph, gusting to 19 mph.
skcThursdaySunny. High 18°C. UV index up to 4. Wind east-northeast around 9 mph, gusting to 19 mph.
nskcThursday
night		Clear. Low 4°C. Wind northeast around 7 mph, gusting to 18 mph.
skcFridaySunny. High 19°C. UV index up to 4. Wind north-northeast around 9 mph, gusting to 20 mph, in the morning, becoming 12 mph, gusting to 21 mph, in the afternoon.
nskcFriday
night		Clear. Low 4°C. Wind north-northeast around 7 mph, gusting to 19 mph.
skcSaturdaySunny. High 19°C. UV index up to 4. Wind north-northeast around 9 mph, gusting to 18 mph.
nsctSaturday
night		Fair to partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 4°C. Wind north-northeast around 4 mph, gusting to 16 mph.
sctSundayPartly cloudy. High 18°C. UV index up to 4. Wind north-northeast around 6 mph, gusting to 16 mph.
nsctSunday
night		Fair to partly cloudy in the evening, becoming fair after midnight. Low 4°C. Wind northeast around 4 mph.
 Sunday 01 March 2026 sunrise  06:46 GMT   sunset  17:41 GMT   Daylength: 10:55 
Period Forecast Temperature Wind Precipitation Pressure UV
Afternoon
14 - 18		 Overcast Cloudy Drizzle Cloudy - Overcast
Drizzle		 13° SW 7 - 13 mph
Gust up to 21 mph
4 Bft Moderate breeze		 0.05 mm 1014 hPa-
Evening
18 - 00		 Overcast Light dewOvercast Drizzle Overcast
Drizzle		 11° SW South 12 mph
Gust up to 18 mph
3 Bft Gentle breeze		 0.32 mm 1014 hPa-
 Monday 02 March 2026 sunrise  06:44 GMT   sunset  17:43 GMT   Daylength: 10:59 
Period Forecast Temperature Wind Precipitation Pressure UV
Night
00 - 06		 Mostly cloudy Heavy dewMostly cloudy Heavy dew Mostly cloudy 9° South 12 mph
Gust up to 17 mph
3 Bft Gentle breeze		 - 1013 hPa-
Morning
06 - 12		 Clear Partly cloudy Heavy dew Partly cloudy - Clear 7° - 12° South 10 mph
Gust up to 15 mph
3 Bft Gentle breeze		 - 1013 hPa uv
Low (1)
Afternoon
12 - 18		 Clear Clear 15° South 10 mph
Gust up to 17 mph
3 Bft Gentle breeze		 - 1014 hPa uv
Low (1.1)
Evening
18 - 00		 Mostly clear Moderate dewCloudy Heavy dew Mostly clear - Cloudy 11° - 7° South 3 - 7 mph
Gust up to 12 mph
2 Bft Light breeze		 - 1017 hPa-
 Tuesday 03 March 2026 sunrise  06:41 GMT   sunset  17:44 GMT   Daylength: 11:03 
Period Forecast Temperature Wind Precipitation Pressure UV
Night
00 - 06		 Cloudy Heavy dew Cloudy 7° South NW 3 mph
1 Bft Light air		 - 1020 hPa-
Morning
06 - 12		 Mostly cloudy Light dewMostly cloudy Moderate dew Mostly cloudy 7° - 11° NW North 2 mph
Gust up to 6 mph
1 Bft Light air		 - 1023 hPa uv
Low (0.8)
Afternoon
12 - 18		 Mostly cloudy Cloudy Drizzle Cloudy
Light rain - Drizzle		 11° - 14° North 4 mph
Gust up to 8 mph
1 Bft Light air		 0.8 mm 1025 hPa uv
Low (1)
Evening
18 - 00		 Partly cloudy Heavy dewMostly cloudy Moderate dew Partly cloudy 11° - 7° North ENE 4 mph
Gust up to 8 mph
1 Bft Light air		 - 1026 hPa-
 Wednesday 04 March 2026 sunrise  06:39 GMT   sunset  17:46 GMT   Daylength: 11:07 
Period Forecast Temperature Wind Precipitation Pressure UV
Night
00 - 06		 Partly cloudy Heavy dewPartly cloudy Heavy dew Partly cloudy 7° ENE 4 mph
1 Bft Light air		 - 1027 hPa-
Morning
06 - 12		 Partly cloudy Light dew Partly cloudy 4° - 12° ENE ESE 4 mph
1 Bft Light air		 - 1026 hPa uv
Low (0.9)
Afternoon
12 - 18		 Clear Partly cloudy Partly cloudy - Clear 12° - 15° ESE 6 mph
Gust up to 11 mph
2 Bft Light breeze		 - 1023 hPa uv
Low (1)
Evening
18 - 00		 Mostly clear Heavy dew Mostly clear 11° - 6° ESE 5 mph
2 Bft Light breeze		 - 1021 hPa-
 Thursday 05 March 2026 sunrise  06:37 GMT   sunset  17:48 GMT   Daylength: 11:11 
Period Forecast Temperature Wind Precipitation Pressure UV
Night
00 - 06		 Clear Scattered frostClear Heavy dew Clear
Scattered frost		 5° ESE 5 mph
2 Bft Light breeze		 - 1019 hPa-
Morning
06 - 12		 Clear Light dewClear Heavy dew Clear
Scattered frost		 3° - 11° ESE 4 - 8 mph
Gust up to 12 mph
2 Bft Light breeze		 - 1017 hPa uv
Low (1)
Afternoon
12 - 18		 Clear Partly cloudy Mostly clear - Partly cloudy 12° - 15° ESE 8 mph
Gust up to 14 mph
2 Bft Light breeze		 - 1014 hPa uv
Low (1.2)
Evening
18 - 00		 Mostly cloudy Moderate dewCloudy Heavy dew Cloudy 10° ESE SSE 6 mph
2 Bft Light breeze		 - 1013 hPa-
 Friday 06 March 2026 sunrise  06:35 GMT   sunset  17:50 GMT   Daylength: 11:15 
Period Forecast Temperature Wind Precipitation Pressure UV
Night
00 - 06		 Overcast Heavy dewOvercast Light rain Overcast
Light rain		 9° SSE 4 mph
1 Bft Light air		 0.64 mm 1014 hPa-
Morning
06 - 12		 Overcast Moderate dewOvercast Moderate rain Overcast
Light rain		 9° SSE NW 1 - 8 mph
Gust up to 12 mph
2 Bft Light breeze		 4.79 mm 1016 hPa-
Afternoon
12 - 18		 Mostly cloudy Light dewCloudy Drizzle Overcast - Mostly cloudy
Drizzle		 9° NW 9 mph
Gust up to 14 mph
3 Bft Gentle breeze		 0.11 mm 1020 hPa-
Evening
18 - 00		 Mostly clear Heavy dewPartly cloudy Moderate dew Partly cloudy - Mostly clear 8° - 5° NW 6 mph
Gust up to 11 mph
2 Bft Light breeze		 - 1024 hPa-
 Saturday 07 March 2026 sunrise  06:33 GMT   sunset  17:51 GMT   Daylength: 11:19 
Period Forecast Temperature Wind Precipitation Pressure UV
Night
00 - 06		 Clear Scattered frostClear Scattered frost Clear
Scattered frost		 5° NW West 5 mph
2 Bft Light breeze		 - 1027 hPa-
Morning
06 - 12		 Clear Moderate dewClear Heavy dew Clear
Scattered frost		 2° - 10° West 3 mph
Gust up to 7 mph
1 Bft Light air		 - 1028 hPa uv
Low (1.2)
Afternoon
12 - 18		 Clear Clear 11° - 14° West SSW 4 mph
Gust up to 10 mph
1 Bft Light air		 - 1027 hPa uv
Low (1.4)
Evening
18 - 00		 Clear Moderate dewMostly clear Heavy dew Mostly clear 9° - 4° SSW 3 mph
1 Bft Light air		 - 1028 hPa-
 Sunday 08 March 2026 sunrise  06:30 GMT   sunset  17:53 GMT   Daylength: 11:23 
Period Forecast Temperature Wind Precipitation Pressure UV
Night
00 - 06		 Mostly clear Heavy dewMostly clear Scattered frost Mostly clear - Partly cloudy
Scattered frost		 4° SSW 3 mph
1 Bft Light air		 - 1028 hPa-
Morning
06 - 12		 Partly cloudy Heavy dewPartly cloudy Moderate dew Mostly clear - Partly cloudy
Scattered frost		 3° - 11° SSW WNW East 2 mph
1 Bft Light air		 - 1028 hPa uv
Low (1.4)
Afternoon
12 - 15		 Partly cloudy Partly cloudy 14° East 3 mph
Gust up to 8 mph
1 Bft Light air		 - 1028 hPa uv
Low (1.6)
 Sunday 01 March 2026 sunrise  06:46 GMT   sunset  17:41 GMT   Daylength: 10:55 
Period Forecast Temperature Wind Precipitation Lightning Dewpoint Pressure Humidity UV Clouds Zicht
14 - 15 Cloudy
Cloudy		 13° SW
8 mph SW 2 Bft
Light breeze		 - - 9°C 1013.0 hPa 77 %- 82 % 15 miles
15 - 16 Cloudy
Cloudy		 13°
(Feels like: 11°C)		 SW
12 mph SW 3 Bft
Gentle breeze		 - - 9°C 1014.1 hPa 77 %- 88 % 15 miles
16 - 17 Cloudy Drizzle
Cloudy
Drizzle		 12°
(Feels like: 10°C)		 SW
12 mph SW 3 Bft
Gentle breeze		 0.02 mm - 9°C 1014.1 hPa 80 %- 95 % 15 miles
17 - 18 Overcast
Overcast		 12°
(Feels like: 9°C)		 SW
12 mph SW 3 Bft
Gentle breeze		 0.03 mm - 9°C 1014.4 hPa 83 %- 99 % 15 miles
18 - 19 Overcast
Overcast		 11°
(Feels like: 9°C)		 SW
11 mph SW 3 Bft
Gentle breeze		 - - 9°C 1014.6 hPa 86 %- 100 % 15 miles
19 - 20 Overcast Drizzle
Overcast
Drizzle		 10°
(Feels like: 8°C)		 SW
11 mph SW 3 Bft
Gentle breeze		 0.10 mm - 9°C 1014.5 hPa 90 %- 100 % 13 miles
20 - 21 Overcast Light dew
Overcast		 10°
(Feels like: 7°C)		 SW
12 mph SW 3 Bft
Gentle breeze		 0.19 mm - 9°C 1014.3 hPa 93 %- 100 % 15 miles
21 - 22 Overcast Light dew
Overcast		 9°
(Feels like: 7°C)		 SW
12 mph SW 3 Bft
Gentle breeze		 - - 9°C 1014.1 hPa 94 %- 100 % 15 miles
22 - 23 Overcast Drizzle
Overcast
Drizzle		 9°
(Feels like: 7°C)		 South
11 mph South 3 Bft
Gentle breeze		 0.01 mm - 8°C 1014.2 hPa 95 %- 100 % 15 miles
23 - 00 Overcast Light dew
Overcast		 9°
(Feels like: 6°C)		 South
11 mph South 3 Bft
Gentle breeze		 0.02 mm - 8°C 1014.2 hPa 95 %- 100 % 15 miles
 Monday 02 March 2026 sunrise  06:44 GMT   sunset  17:43 GMT   Daylength: 10:59 
Period Forecast Temperature Wind Precipitation Lightning Dewpoint Pressure Humidity UV Clouds Zicht
00 - 01 Cloudy Light dew
Cloudy		 9°
(Feels like: 6°C)		 South
11 mph South 3 Bft
Gentle breeze		 - - 8°C 1014.1 hPa 95 %- 99 % 15 miles
01 - 02 Cloudy Moderate dew
Cloudy		 9°
(Feels like: 6°C)		 South
11 mph South 3 Bft
Gentle breeze		 - - 8°C 1013.8 hPa 96 %- 97 % 15 miles
02 - 03 Cloudy Moderate dew
Cloudy		 8°
(Feels like: 5°C)		 South
11 mph South 3 Bft
Gentle breeze		 - - 8°C 1013.4 hPa 96 %- 94 % 15 miles
03 - 04 Mostly cloudy Moderate dew
Mostly cloudy		 8°
(Feels like: 5°C)		 South
11 mph South 3 Bft
Gentle breeze		 - - 7°C 1013.1 hPa 97 %- 89 % 14 miles
04 - 05 Mostly cloudy Heavy dew
Mostly cloudy		 8°
(Feels like: 5°C)		 South
10 mph South 3 Bft
Gentle breeze		 - - 7°C 1012.8 hPa 97 %- 82 % 14 miles
05 - 06 Mostly cloudy Heavy dew
Mostly cloudy		 7°
(Feels like: 5°C)		 South
10 mph South 3 Bft
Gentle breeze		 - - 7°C 1012.6 hPa 98 %- 73 % 13 miles
06 - 07 Mostly cloudy Heavy dew
Mostly cloudy		 7°
(Feels like: 4°C)		 South
9 mph South 3 Bft
Gentle breeze		 - - 7°C 1012.6 hPa 99 %- 68 % 12 miles
07 - 08 Mostly cloudy Heavy dew
Mostly cloudy		 7°
(Feels like: 4°C)		 South
8 mph South 3 Bft
Gentle breeze		 - - 7°C 1012.9 hPa 99 %- 68 % 10 miles
08 - 09 Mostly cloudy Heavy dew
Mostly cloudy		 7°
(Feels like: 5°C)		 South
8 mph South 2 Bft
Light breeze		 - - 7°C 1013.2 hPa 97 %- 69 % 14 miles
09 - 10 Partly cloudy Heavy dew
Partly cloudy		 8°
(Feels like: 6°C)		 South
8 mph South 3 Bft
Gentle breeze		 - - 7°C 1013.6 hPa 91 %- 62 % 15 miles
10 - 11 Partly cloudy Moderate dew
Partly cloudy		 10°
(Feels like: 8°C)		 South
9 mph South 3 Bft
Gentle breeze		 - - 7°C 1013.8 hPa 82 % uv
Low (0.6)		 44 % 15 miles
11 - 12 Clear
Clear		 12°
(Feels like: 10°C)		 South
9 mph South 3 Bft
Gentle breeze		 - - 7°C 1013.6 hPa 73 % uv
Low (1)		 23 % 15 miles
12 - 13 Clear
Clear		 14°
(Feels like: 12°C)		 South
10 mph South 3 Bft
Gentle breeze		 - - 7°C 1013.4 hPa 65 % uv
Low (1.1)		 13 % 15 miles
13 - 14 Clear
Clear		 15° South
9 mph South 3 Bft
Gentle breeze		 - - 7°C 1013.5 hPa 61 % uv
Low (1)		 14 % 15 miles
14 - 15 Clear
Clear		 15° South
9 mph South 3 Bft
Gentle breeze		 - - 7°C 1013.8 hPa 59 % uv
Low (0.8)		 15 % 15 miles
15 - 16 Clear
Clear		 15° South
9 mph South 3 Bft
Gentle breeze		 - - 7°C 1014.1 hPa 59 %- 17 % 15 miles
16 - 17 Clear
Clear		 14° South
8 mph South 3 Bft
Gentle breeze		 - - 7°C 1014.5 hPa 61 %- 19 % 15 miles
17 - 18 Clear
Clear		 13° South
7 mph South 2 Bft
Light breeze		 - - 7°C 1015.1 hPa 67 %- 20 % 15 miles
18 - 19 Mostly clear
Mostly clear		 11°
(Feels like: 9°C)		 South
6 mph South 2 Bft
Light breeze		 - - 7°C 1015.8 hPa 76 %- 21 % 15 miles
19 - 20 Mostly clear Light dew
Mostly clear		 9° South
5 mph South 2 Bft
Light breeze		 - - 6°C 1016.7 hPa 83 %- 21 % 15 miles
20 - 21 Mostly clear Moderate dew
Mostly clear		 8° South
5 mph South 1 Bft
Light air		 - - 6°C 1017.3 hPa 87 %- 20 % 15 miles
21 - 22 Partly cloudy Heavy dew
Partly cloudy		 7° South
4 mph South 1 Bft
Light air		 - - 6°C 1017.7 hPa 90 %- 41 % 15 miles
22 - 23 Mostly cloudy Heavy dew
Mostly cloudy		 7° South
4 mph South 1 Bft
Light air		 - - 6°C 1017.8 hPa 91 %- 68 % 15 miles
23 - 00 Cloudy Heavy dew
Cloudy		 7° South
3 mph South 1 Bft
Light air		 - - 5°C 1018.0 hPa 92 %- 85 % 15 miles
 Tuesday 03 March 2026 sunrise  06:41 GMT   sunset  17:44 GMT   Daylength: 11:03 
Period Forecast Temperature Wind Precipitation Lightning Dewpoint Pressure Humidity UV Clouds Zicht
00 - 01 Cloudy Heavy dew
Cloudy		 7° South
3 mph South 1 Bft
Light air		 - - 6°C 1018.4 hPa 92 %- 90 % 15 miles
01 - 02 Cloudy Heavy dew
Cloudy		 7° South
3 mph South 1 Bft
Light air		 - - 6°C 1019.1 hPa 92 %- 89 % 15 miles
02 - 03 Cloudy Heavy dew
Cloudy		 7° South
2 mph South 1 Bft
Light air		 - - 6°C 1019.7 hPa 92 %- 89 % 15 miles
03 - 04 Cloudy Heavy dew
Cloudy		 7° South
2 mph South 1 Bft
Light air		 - - 6°C 1020.1 hPa 91 %- 89 % 15 miles
04 - 05 Cloudy Heavy dew
Cloudy		 7° NW
2 mph NW 1 Bft
Light air		 - - 5°C 1020.5 hPa 91 %- 90 % 15 miles
05 - 06 Cloudy Heavy dew
Cloudy		 7° NW
1 mph NW 1 Bft
Light air		 - - 5°C 1020.9 hPa 91 %- 91 % 15 miles
06 - 07 Cloudy Heavy dew
Cloudy		 7° NW
1 mph NW 1 Bft
Light air		 - - 5°C 1021.5 hPa 91 %- 93 % 15 miles
07 - 08 Cloudy Heavy dew
Cloudy		 7° North
1 mph North 1 Bft
Light air		 - - 5°C 1022.2 hPa 90 %- 94 % 15 miles
08 - 09 Cloudy Heavy dew
Cloudy		 7° North
2 mph North 1 Bft
Light air		 - - 6°C 1023.0 hPa 89 %- 96 % 15 miles
09 - 10 Cloudy Heavy dew
Cloudy		 8° North
2 mph North 1 Bft
Light air		 - - 6°C 1023.8 hPa 86 %- 94 % 15 miles
10 - 11 Mostly cloudy Moderate dew
Mostly cloudy		 9° North
2 mph North 1 Bft
Light air		 - - 6°C 1024.4 hPa 82 % uv
Low (0.5)		 85 % 15 miles
11 - 12 Mostly cloudy Light dew
Mostly cloudy		 11° North
2 mph North 1 Bft
Light air		 - - 7°C 1024.7 hPa 76 % uv
Low (0.8)		 71 % 15 miles
12 - 13 Mostly cloudy
Mostly cloudy		 12° North
2 mph North 1 Bft
Light air		 - - 7°C 1024.7 hPa 69 % uv
Low (1)		 75 % 15 miles
13 - 14 Cloudy Light rain
Cloudy
Light rain		 13° North
2 mph North 1 Bft
Light air		 0.17 mm - 7°C 1024.6 hPa 68 % uv
Low (0.7)		 88 % 12 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.