Harrow, United Kingdom Weather

  1. Harrow, United Kingdom Weather
  2. Current conditions
  3. Weather forecast
  4. Averages and extremes
  5. Yesterday's Data
  6. Temperature and possibility of rain in Harrow over the next 12 hours
  7. Temperature and possibility of rain in Harrow in the coming days
  8. Rainfall in Harrow in the coming days
  9. Harrow Weather Summary
  10. Weather averages by month
  11. Harrow's weather
  12. Frequently asked questions
  13. Comments
Harrow, Weather
(Photo by Igor Bumba on Unsplash)

Current conditions

Updated:
5°C
41.0°F
°C °F

Condition: Clear Sky

Pressure: 1,016 hPa

Feel like: 1 °C

Temperature: 5°C

Cloud: 0%

Humidity: 59%

Wind: NE - 9 km/h

Visibility: 24.14 km

Weather forecast

Fri
23 Jan
0°C / 4°C
Partly Cloudy
Sat
24 Jan
0°C / 3°C
Overcast
Sun
25 Jan
0°C / 2°C
Clear Sky
Mon
26 Jan
0°C / 2°C
Overcast
Tue
27 Jan
0°C / 2°C
Overcast
Hourly forecast today:
15:00 PM
-2° / 5°
-2° / 5°
Clear Sky
59% 14 km/h
16:00 PM
-1° / 4°
-1° / 4°
Clear Sky
63% 16 km/h
17:00 PM
-1° / 3°
-1° / 3°
Clear Sky
69% 20 km/h
18:00 PM
-1° / 2°
-1° / 2°
Clear Sky
73% 23 km/h
19:00 PM
-1° / 2°
-1° / 2°
Clear Sky
75% 24 km/h
20:00 PM
-1° / 2°
-1° / 2°
Clear Sky
75% 24 km/h
21:00 PM
-1° / 1°
-1° / 1°
Clear Sky
76% 24 km/h
22:00 PM
-1° / 1°
-1° / 1°
Clear Sky
78% 22 km/h
23:00 PM
-1° / 1°
-1° / 1°
Clear Sky
81% 20 km/h
00:00 AM
-1° / 1°
-1° / 1°
Clear Sky
83% 18 km/h
01:00 AM
-1° / 0°
-1° / 0°
Clear Sky
84% 17 km/h

30 Day Averages and Extremes

  • Average high 5.27°C
  • Average low 1.43°C
  • Hottest day 11°C (12 January 2026)
  • Coldest day -2°C (04 January 2026)
  • Average humidity 82.0%
  • Days with precipitation 25 days
  • Highest precipitation 52 mm (15 January 2026)

Yesterday's Data

  • Max: 6°C
  • Min: 2°C
  • Total Precipitation: 0 mm

Temperature and possibility of rain in Harrow over the next 12 hours

Temperature and possibility of rain in Harrow in the coming days

Rainfall in Harrow in the coming days

Harrow Climate Summary

Harrow features a Marine west coast, warm summer (Köppen classification: Cfb), with an average annual temperature of 11.86ºC (53.35ºF), which is about 1.11% higher than the national average for United Kingdom. Annually, the city experiences approximately 48.55 millimeters (1.91 inches) of rainfall, spread across 123.11 rainy days, accounting for 33.73% of the year.

Longitude 51.580559
Latitude -0.341995
Yearly high temperature 14.29ºC (57.72ºF)
Yearly low temperature 7.5ºC (45.5ºF)
Hottest month July 22.35ºC (72.23ºF)
Coldest month December 3.47ºC (38.25ºF)
Yearly precip 48.55mm (1.91in)
Days with rainfall 123.11 days (33.73%)
Driest month January (87.38%)
Wettest month June (77.31%)

Weather averages by month

Month High / Low (°C) Rain
January 6.7° / 2.13° 9.18 days
February 7.57° / 2.53° 8.55 days
March 10.55° / 3.6° 7.55 days
April 14.18° / 5.49° 9.64 days
May 16.67° / 8.12° 12.55 days
June 19.71° / 10.97° 13.45 days
July 22.35° / 13.6° 13.55 days
August 21.71° / 13.81° 13.55 days
September 19.21° / 11.52° 7.73 days
October 14.87° / 9.08° 9.64 days
November 10.34° / 5.69° 8.36 days
December 7.67° / 3.47° 9.36 days

Harrow's weather

Frequently asked questions

1. What is the hottest month in Harrow?

July has the highest average monthly temperature (daily mean of 22.35ºC) and December are the coolest (daily mean of 3.47ºC).

2. What should I wear in Harrow today?

For today's cold weather in Harrow, with temperatures ranging from 2ºC to 5ºC (35.6ºF to 41.0ºF), you should wear:
- Scarf to protect the neck area
- Warm jacket or medium-weight coat
- Closed-toe shoes or boots
- Hat and gloves, particularly for early mornings or evenings

Temperature

Early
1°C / 2°C
Morning
1°C / 2°C
Afternoon
-2°C / 5°C
Evening
-1°C / 1°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 0
  • CO 0
  • NH3 0
  • NO2 0
  • O3 0
  • PM10 0
  • PM25 0
  • SO2 0
  • CH4 0

Sunrise / Sunset

07:53
16:32