Hillingdon, United Kingdom Weather

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

Current conditions

Updated:
18°C
64.4°F
°C °F

Condition: Clear Sky

Pressure: 1,016 hPa

Feel like: 19 °C

Temperature: 18°C

Cloud: 0%

Humidity: 87%

Wind: N - 5 km/h

Visibility: 14.14 km

Weather forecast

Mon
22 Jun
21°C / 35°C
Slight Thunderstorm
Tue
23 Jun
23°C / 34°C
Slight Thunderstorm
Wed
24 Jun
22°C / 32°C
Slight Thunderstorm
Thu
25 Jun
21°C / 28°C
Drizzle
Fri
26 Jun
19°C / 25°C
Moderate Drizzle
Hourly forecast today:
04:00 AM
16° / 18°
16° / 18°
Clear Sky
87% 10 km/h
05:00 AM
16° / 18°
16° / 18°
Clear Sky
86% 8 km/h
06:00 AM
17° / 20°
17° / 20°
Clear Sky
83% 12 km/h
07:00 AM
17° / 21°
17° / 21°
Clear Sky
78% 8 km/h
08:00 AM
16° / 22°
16° / 22°
Clear Sky
70% 9 km/h
09:00 AM
16° / 23°
16° / 23°
Overcast
64% 10 km/h
10:00 AM
16° / 24°
16° / 24°
Overcast
58% 13 km/h
11:00 AM
15° / 26°
15° / 26°
Overcast
52% 15 km/h
12:00 PM
14° / 26°
14° / 26°
Overcast
48% 18 km/h
13:00 PM
14° / 27°
14° / 27°
Overcast
45% 19 km/h
14:00 PM
14° / 28°
14° / 28°
Mainly Clear
43% 16 km/h

30 Day Averages and Extremes

  • Average high 21.8°C
  • Average low 13.97°C
  • Hottest day 35°C (22 June 2026)
  • Coldest day 0°C (04 July 2026)
  • Average humidity 62.5%
  • Days with precipitation 21 days
  • Highest precipitation 58 mm (07 June 2026)

Yesterday's Data

  • Max: 29°C
  • Min: 18°C
  • Total Precipitation: 0 mm

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

Temperature and possibility of rain in Hillingdon in the coming days

Rainfall in Hillingdon in the coming days

Hillingdon Climate Summary

Hillingdon features a Marine west coast, warm summer (Köppen classification: Cfb), with an average annual temperature of 11.91ºC (53.44ºF), which is about 1.16% higher than the national average for United Kingdom. Annually, the city experiences approximately 35.19 millimeters (1.39 inches) of rainfall, spread across 97.54 rainy days, accounting for 26.72% of the year.

Longitude 51.5351832
Latitude -0.4481378
Yearly high temperature 14.41ºC (57.94ºF)
Yearly low temperature 7.41ºC (45.34ºF)
Hottest month July 22.42ºC (72.36ºF)
Coldest month December 3.46ºC (38.23ºF)
Yearly precip 35.19mm (1.39in)
Days with rainfall 97.54 days (26.72%)
Driest month April (76.89%)
Wettest month August (73.94%)

Weather averages by month

Month High / Low (°C) Rain
January 6.81° / 2.08° 8.27 days
February 7.73° / 2.44° 7.82 days
March 10.69° / 3.54° 6.27 days
April 14.33° / 5.43° 6.09 days
May 16.83° / 8.04° 8.27 days
June 19.85° / 10.86° 10.73 days
July 22.42° / 13.44° 9.82 days
August 21.74° / 13.67° 9.36 days
September 19.31° / 11.34° 6.09 days
October 14.97° / 9.01° 8.73 days
November 10.46° / 5.62° 8.09 days
December 7.77° / 3.46° 8.0 days

Hillingdon's weather

Frequently asked questions

1. What is the hottest month in Hillingdon?

July has the highest average monthly temperature (daily mean of 22.42ºC) and December are the coolest (daily mean of 3.46ºC).

2. What should I wear in Hillingdon today?

For today's very hot weather in Hillingdon, with the high temperatures above 30ºC (86.0ºF), consider wearing:
- High SPF sunscreen for outdoor activities
- Light, natural fabrics (like cotton or linen)
- Sleeveless tops or vests
- UV-blocking sunglasses

Temperature

Early
16°C / 18°C
Morning
16°C / 23°C
Afternoon
14°C / 29°C
Evening
16°C / 23°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 462
  • CO 126
  • NH3 2
  • NO2 17
  • O3 20
  • PM10 7
  • PM25 4
  • SO2 0
  • CH4 1,446

Sunrise / Sunset

03:45
20:23