Live Weather & Forecast
Weather in South Harrow
Middlesex, United Kingdom · Real-time conditions & 3-day outlook
12°C
Feels like 11°C
54°F / Feels 52°F
Partly cloudy
South Harrow, Middlesex
🌞 Daytime
Updated: 2026-04-16 09:00
Humidity
82%
Wind
14 km/h SW
Wind Gust
19.5 km/h
Pressure
1018 mb
Visibility
10 km
UV Index
0.4
(Low)
Precipitation
0 mm
Cloud Cover
25%
Dew Point
7°C
Wind Degree
222°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
176.9 μg/m³
NO₂
16.1 μg/m³
O₃
62 μg/m³
SO₂
2.2 μg/m³
PM 2.5
7.8 μg/m³
PM 10
16.6 μg/m³
Today's Hourly Forecast
24-hour breakdown for South Harrow, Middlesex
12 AM
10°
Partly Cloudy
1 AM
10°
Partly Cloudy
2 AM
10°
Partly Cloudy
3 AM
10°
Partly Cloudy
4 AM
10°
Overcast
5 AM
10°
Overcast
6 AM
10°
Overcast
7 AM
11°
Overcast
8 AM
11°
Overcast
9 AM
12°
Partly cloudy
10 AM
13°
Patchy rain nearby
11 AM
14°
Patchy rain nearby
12 PM
15°
Patchy rain nearby
1 PM
15°
Patchy rain nearby
2 PM
15°
Patchy rain nearby
3 PM
16°
Patchy rain nearby
4 PM
16°
Patchy rain nearby
5 PM
15°
Patchy rain nearby
6 PM
14°
Overcast
7 PM
13°
Cloudy
8 PM
12°
Overcast
9 PM
12°
Overcast
10 PM
12°
Cloudy
11 PM
11°
Partly Cloudy
3-Day Forecast
Daily overview for South Harrow, Middlesex
Today
Patchy rain nearby
16°
/
10°
🌧️ 88% chance of rain
💧 Avg. humidity: 73%
💨 Max wind: 18.4 km/h
🌧️ Total precip: 0.33 mm
☀️ UV Index: 0.7
🌅 Sunrise: 06:04 AM
🌇 Sunset: 08:00 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Patchy rain nearby
17°
/
10°
🌧️ 87% chance of rain
💧 Avg. humidity: 74%
💨 Max wind: 21.2 km/h
🌧️ Total precip: 0.37 mm
☀️ UV Index: 0.9
🌅 Sunrise: 06:01 AM
🌇 Sunset: 08:01 PM
🌙 New Moon
🌑 Moon: 0% lit
Sat, Apr 18
Partly Cloudy
16°
/
9°
🌧️ 0% chance of rain
💧 Avg. humidity: 67%
💨 Max wind: 18.4 km/h
🌧️ Total precip: 0.08 mm
☀️ UV Index: 1.1
🌅 Sunrise: 05:59 AM
🌇 Sunset: 08:03 PM
🌙 Waxing Crescent
🌑 Moon: 1% lit
Best Time to Visit South Harrow
Plan your trip to South Harrow, United Kingdom around the most favorable weather conditions.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in South Harrow?
Current conditions in South Harrow: Partly cloudy, temperature 12°C, humidity 82%.
What is the best time to visit South Harrow?
The best time to visit South Harrow is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in South Harrow?
South Harrow is located at approximately 51.6° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in South Harrow?
The wettest period in South Harrow is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to South Harrow?
For visits to South Harrow during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is South Harrow in?
South Harrow is located in United Kingdom, in the state of Middlesex.
What are the public holidays in South Harrow in 2026?
View the 2026 public holidays for South Harrow on our Holidays page.
What are the GPS coordinates used for the weather forecast in South Harrow?
The weather forecast for South Harrow uses coordinates 51.5647, -0.3522.