Slough, United Kingdom Weather

Slough,  Weather
(Photo by Viktor Forgacs on Unsplash)

Current conditions

Updated:
11°C
51.8°F
°C °F

Condition: Clear Sky

Pressure: 1,028 hPa

Feel like: 10 °C

Temperature: 11°C

Cloud: 0%

Humidity: 71%

Wind: N - 2 km/h

Visibility: 18.82 km

Weather forecast

Tue
22 Sep
13°C / 18°C
Drizzle
Wed
23 Sep
9°C / 18°C
Partly Cloudy
Thu
24 Sep
11°C / 19°C
Partly Cloudy
Fri
25 Sep
11°C / 19°C
Drizzle
Sat
26 Sep
14°C / 21°C
Moderate Drizzle
Hourly forecast today:
00:00 AM
6° / 11°
6° / 11°
Clear Sky
71% 7 km/h
01:00 AM
6° / 11°
6° / 11°
Clear Sky
72% 7 km/h
02:00 AM
6° / 11°
6° / 11°
Clear Sky
72% 9 km/h
03:00 AM
5° / 11°
5° / 11°
Clear Sky
71% 12 km/h
04:00 AM
6° / 10°
6° / 10°
Clear Sky
74% 10 km/h
05:00 AM
6° / 10°
6° / 10°
Clear Sky
75% 10 km/h
06:00 AM
5° / 10°
5° / 10°
Clear Sky
73% 11 km/h
07:00 AM
6° / 11°
6° / 11°
Clear Sky
69% 9 km/h
08:00 AM
6° / 13°
6° / 13°
Clear Sky
63% 8 km/h
09:00 AM
7° / 15°
7° / 15°
Clear Sky
59% 11 km/h
10:00 AM
6° / 16°
6° / 16°
Clear Sky
52% 12 km/h

30 Day Averages and Extremes

  • Average high 19.27°C
  • Average low 11.83°C
  • Hottest day 26°C (05 September 2026)
  • Coldest day 0°C (03 October 2026)
  • Average humidity 66.2%
  • Days with precipitation 22 days
  • Highest precipitation 63 mm (07 September 2026)

Yesterday's Data

  • Max: 21°C
  • Min: 10°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 18ºC to 21ºC (64.4ºF to 69.8ºF), you might consider wearing:
- Cotton or linen fabrics
- T-shirt or short-sleeve blouse
- Shorts or lightweight trousers
- Sun hat or cap

Temperature

Early
5°C / 11°C
Morning
7°C / 15°C
Afternoon
5°C / 21°C
Evening
9°C / 18°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 448
  • CO 215
  • NH3 2
  • NO2 15
  • O3 37
  • PM10 15
  • PM25 7
  • SO2 0
  • CH4 1,438

Sunrise / Sunset

05:48
18:00