Hillview Weather

12°C

Harrow, UK

Updated: 06/09/2026 04:59

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WXSIM Forecast for: Harrow
Issued by: Hillview Weather

Updated: Saturday, 05-Sep-2026 10:00 pm

Rest of tonight Mostly Cloudy	Sunday Partly Cloudy	Sunday night Mostly Cloudy	Monday Mostly Cloudy	Monday night Mostly Cloudy	Tuesday Mostly Cloudy	Tuesday night Fog late	Wednesday Fog a.m.
<2 mm.	<2 mm.	<2 mm.	<2 mm.	<2 mm.	<2 mm.
Low: 11°C	High: 26°C	Low: 14°C	High: 23°C	Low: 15°C	High: 20°C	Low: 10°C	High: 20°C

S 2 mph Light air	SSE 7-16 mph Moderate breeze	SSE→SSW 4 mph Light breeze	SW 6-15→10-18 mph Moderate breeze	SW 8-17 mph Moderate breeze	SW 10-18 mph Moderate breeze	W 8-17 mph Moderate breeze	W 9-18 mph Moderate breeze
	UV: 4 Medium		UV: 3 Medium		UV: 3 Medium		UV: 3 Medium

Rest of tonight	Partly to mostly cloudy. A slight chance of rain. Low 11°C. Wind south around 2 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Sunday	Partly cloudy. A slight chance of rain in the afternoon. High 26°C. UV index up to 4. Wind south-southeast around 7 mph, gusting to 16 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.
Sunday night	Partly to mostly cloudy. A slight chance of rain after midnight. Low 14°C. Wind south-southeast around 4 mph in the evening, becoming south-southwest after midnight. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Monday	Partly to mostly cloudy in the morning, becoming cloudy in the afternoon. A slight chance of rain in the morning. High 23°C. UV index up to 3. Wind southwest around 6 mph, gusting to 15 mph, in the morning, becoming 10 mph, gusting to 18 mph, in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Monday night	Mostly cloudy in the evening, becoming dense overcast after midnight. A chance of rain after midnight. Low 15°C. Wind southwest around 8 mph, gusting to 17 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Tuesday	Mostly cloudy to cloudy in the morning, becoming mostly cloudy in the afternoon. A slight chance of rain. High 20°C. UV index up to 3. Wind southwest around 10 mph, gusting to 18 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Tuesday night	Fair to partly cloudy in the evening, becoming fair after midnight. Patchy light fog after midnight. Low 10°C. Wind west around 8 mph, gusting to 17 mph.
Wednesday	Partly cloudy in the morning, becoming partly to mostly sunny in the afternoon. Patchy light fog in the morning. High 20°C. UV index up to 3. Wind west around 9 mph, gusting to 18 mph.
Wednesday night	Partly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Low 11°C. Wind west around 4 mph.
Thursday	Partly to mostly cloudy in the morning, becoming mostly cloudy in the afternoon. High 21°C. UV index up to 3. Wind west-southwest around 4 mph in the morning, becoming 7 mph, gusting to 15 mph, in the afternoon.
Thursday night	Cloudy. A chance of rain in the evening, then a slight chance of rain after midnight. Low 13°C. Wind west-southwest around 8 mph. Chance of precipitation 50 percent. Precipitation mostly around 2 mm.
Friday	Mostly cloudy to cloudy in the morning, becoming partly cloudy in the afternoon. A chance of rain. High 20°C. UV index up to 3. Wind west-southwest around 10 mph, gusting to 17 mph, in the morning, becoming west-northwest in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Friday night	Fair to partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Patchy light fog after midnight. Low 11°C. Wind west-northwest around 8 mph, gusting to 17 mph.

WXSIM forecast formatting script by Saratoga-Weather.org.

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