Slough, United Kingdom Weather

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

Current conditions

Updated:
26°C
78.8°F
°C °F

Condition: Overcast

Pressure: 1,015 hPa

Feel like: 24 °C

Temperature: 26°C

Cloud: 100%

Humidity: 28%

Wind: SSW - 12 km/h

Visibility: 41.9 km

Weather forecast

Sun
09 Aug
17°C / 24°C
Overcast
Mon
10 Aug
17°C / 26°C
Clear Sky
Tue
11 Aug
18°C / 30°C
Overcast
Wed
12 Aug
21°C / 31°C
Clear Sky
Thu
13 Aug
19°C / 30°C
Drizzle
Hourly forecast today:
12:00 PM
6° / 26°
6° / 26°
Overcast
28% 30 km/h
13:00 PM
7° / 27°
7° / 27°
Overcast
28% 32 km/h
14:00 PM
6° / 28°
6° / 28°
Overcast
25% 35 km/h
15:00 PM
6° / 28°
6° / 28°
Overcast
25% 38 km/h
16:00 PM
5° / 27°
5° / 27°
Overcast
25% 36 km/h
17:00 PM
5° / 26°
5° / 26°
Overcast
25% 34 km/h
18:00 PM
5° / 25°
5° / 25°
Overcast
28% 30 km/h
19:00 PM
6° / 24°
6° / 24°
Clear Sky
33% 23 km/h
20:00 PM
7° / 21°
7° / 21°
Clear Sky
40% 16 km/h
21:00 PM
7° / 20°
7° / 20°
Clear Sky
44% 15 km/h
22:00 PM
9° / 17°
9° / 17°
Clear Sky
60% 6 km/h

30 Day Averages and Extremes

  • Average high 24.27°C
  • Average low 14.67°C
  • Hottest day 33°C (28 July 2026)
  • Coldest day 0°C (21 August 2026)
  • Average humidity 52.2%
  • Days with precipitation 13 days
  • Highest precipitation 24 mm (29 July 2026)

Yesterday's Data

  • Max: 28°C
  • Min: 12°C
  • Total Precipitation: 0 mm

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

Temperature and possibility of rain in Slough in the coming days

Rainfall in Slough in the coming days

Slough Climate Summary

Slough features a Marine west coast, warm summer (Köppen classification: Cfb), with an average annual temperature of 11.68ºC (53.02ºF), which is about 0.93% higher than the national average for United Kingdom. Annually, the city experiences approximately 46.29 millimeters (1.82 inches) of rainfall, spread across 124.71 rainy days, accounting for 34.17% of the year.

Longitude 51.5105384
Latitude -0.5950406
Yearly high temperature 14.18ºC (57.52ºF)
Yearly low temperature 7.16ºC (44.89ºF)
Hottest month July 22.06ºC (71.71ºF)
Coldest month December 3.35ºC (38.03ºF)
Yearly precip 46.29mm (1.82in)
Days with rainfall 124.71 days (34.17%)
Driest month March (81.61%)
Wettest month June (79.27%)

Weather averages by month

Month High / Low (°C) Rain
January 6.75° / 2.08° 10.36 days
February 7.6° / 2.33° 9.45 days
March 10.49° / 3.25° 8.27 days
April 14.02° / 5.12° 9.0 days
May 16.52° / 7.65° 11.27 days
June 19.5° / 10.6° 13.36 days
July 22.06° / 13.11° 12.55 days
August 21.34° / 13.26° 12.82 days
September 19.05° / 10.95° 7.55 days
October 14.8° / 8.79° 10.36 days
November 10.31° / 5.47° 10.36 days
December 7.73° / 3.35° 9.36 days

Slough's weather

Frequently asked questions

1. What is the hottest month in Slough?

July has the highest average monthly temperature (daily mean of 22.06ºC) and December are the coolest (daily mean of 3.35ºC).

2. What should I wear in Slough today?

For today's very hot weather in Slough, with the high temperatures above 31ºC (87.8ºF), consider wearing:
- Sleeveless tops or vests
- Lightweight, loose-fitting shorts
- High SPF sunscreen for outdoor activities
- Ultra-thin, breathable socks

Temperature

Early
10°C / 13°C
Morning
10°C / 20°C
Afternoon
6°C / 28°C
Evening
7°C / 20°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 434
  • CO 142
  • NH3 1
  • NO2 3
  • O3 91
  • PM10 8
  • PM25 4
  • SO2 0
  • CH4 1,364

Sunrise / Sunset

04:38
19:36