Slough, United Kingdom Weather

Slough,  Weather
(Photo by Viktor Forgacs on Unsplash)

Current conditions

Updated:
19°C
66.2°F
°C °F

Condition: Overcast

Pressure: 1,020 hPa

Feel like: 16 °C

Temperature: 19°C

Cloud: 100%

Humidity: 43%

Wind: WNW - 16 km/h

Visibility: 30.58 km

Weather forecast

Fri
07 Aug
16°C / 25°C
Overcast
Sat
08 Aug
17°C / 29°C
Overcast
Sun
09 Aug
18°C / 27°C
Overcast
Mon
10 Aug
18°C / 27°C
Overcast
Tue
11 Aug
18°C / 32°C
Drizzle
Hourly forecast today:
12:00 PM
6° / 19°
6° / 19°
Overcast
43% 33 km/h
13:00 PM
6° / 19°
6° / 19°
Overcast
44% 32 km/h
14:00 PM
7° / 19°
7° / 19°
Overcast
43% 33 km/h
15:00 PM
6° / 20°
6° / 20°
Overcast
42% 35 km/h
16:00 PM
6° / 20°
6° / 20°
Overcast
42% 28 km/h
17:00 PM
6° / 19°
6° / 19°
Partly Cloudy
43% 21 km/h
18:00 PM
6° / 20°
6° / 20°
Partly Cloudy
42% 20 km/h
19:00 PM
6° / 19°
6° / 19°
Partly Cloudy
43% 20 km/h
20:00 PM
7° / 18°
7° / 18°
Partly Cloudy
47% 20 km/h
21:00 PM
8° / 17°
8° / 17°
Mainly Clear
56% 12 km/h
22:00 PM
8° / 17°
8° / 17°
Partly Cloudy
57% 13 km/h

30 Day Averages and Extremes

  • Average high 24.87°C
  • Average low 15.13°C
  • Hottest day 33°C (28 July 2026)
  • Coldest day 0°C (19 August 2026)
  • Average humidity 49.37%
  • Days with precipitation 13 days
  • Highest precipitation 19 mm (29 July 2026)

Yesterday's Data

  • Max: 20°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 warm weather in Slough, with temperatures between 21ºC to 24ºC (69.8ºF to 75.2ºF), you might consider wearing:
- Sun hat or cap
- Cotton or linen fabrics
- Sunglasses
- Light, breathable socks

Temperature

Early
9°C / 13°C
Morning
6°C / 18°C
Afternoon
6°C / 20°C
Evening
8°C / 17°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 433
  • CO 122
  • NH3 1
  • NO2 1
  • O3 71
  • PM10 6
  • PM25 3
  • SO2 0
  • CH4 1,361

Sunrise / Sunset

04:35
19:40