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:
29°C
84.2°F
°C °F

Condition: Clear Sky

Pressure: 1,015 hPa

Feel like: 35 °C

Temperature: 29°C

Cloud: 0%

Humidity: 53%

Wind: ESE - 2 km/h

Visibility: 18.04 km

Weather forecast

Wed
24 Jun
21°C / 33°C
Slight Thunderstorm
Thu
25 Jun
25°C / 32°C
Moderate Drizzle
Fri
26 Jun
20°C / 28°C
Slight Rain Showers
Sat
27 Jun
18°C / 24°C
Slight Rain
Sun
28 Jun
14°C / 23°C
Overcast
Hourly forecast today:
12:00 PM
19° / 29°
19° / 29°
Clear Sky
53% 12 km/h
13:00 PM
19° / 31°
19° / 31°
Clear Sky
48% 12 km/h
14:00 PM
18° / 33°
18° / 33°
Mainly Clear
40% 15 km/h
15:00 PM
17° / 34°
17° / 34°
Mainly Clear
35% 24 km/h
16:00 PM
17° / 34°
17° / 34°
Mainly Clear
35% 22 km/h
17:00 PM
17° / 34°
17° / 34°
Mainly Clear
36% 24 km/h
18:00 PM
17° / 33°
17° / 33°
Clear Sky
38% 23 km/h
19:00 PM
17° / 32°
17° / 32°
Clear Sky
41% 22 km/h
20:00 PM
17° / 30°
17° / 30°
Clear Sky
46% 17 km/h
21:00 PM
18° / 28°
18° / 28°
Clear Sky
55% 12 km/h
22:00 PM
18° / 27°
18° / 27°
Clear Sky
59% 12 km/h

30 Day Averages and Extremes

  • Average high 23.73°C
  • Average low 15.03°C
  • Hottest day 36°C (23 June 2026)
  • Coldest day 0°C (06 July 2026)
  • Average humidity 57.9%
  • Days with precipitation 23 days
  • Highest precipitation 47 mm (10 June 2026)

Yesterday's Data

  • Max: 34°C
  • Min: 19°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 36ºC (96.8ºF), consider wearing:
- High SPF sunscreen for outdoor activities
- Sleeveless tops or vests
- Light, natural fabrics (like cotton or linen)
- Lightweight, loose-fitting shorts

Temperature

Early
15°C / 19°C
Morning
18°C / 25°C
Afternoon
17°C / 34°C
Evening
18°C / 28°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 447
  • CO 179
  • NH3 4
  • NO2 4
  • O3 150
  • PM10 18
  • PM25 12
  • SO2 1
  • CH4 1,414

Sunrise / Sunset

03:45
20:23