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:
14°C
57.2°F
°C °F

Condition: Clear Sky

Pressure: 1,029 hPa

Feel like: 13 °C

Temperature: 14°C

Cloud: 0%

Humidity: 57%

Wind: S - 2 km/h

Visibility: 9.42 km

Weather forecast

Tue
22 Sep
12°C / 20°C
Slight Rain
Wed
23 Sep
9°C / 17°C
Overcast
Thu
24 Sep
13°C / 20°C
Moderate Drizzle
Fri
25 Sep
10°C / 18°C
Overcast
Sat
26 Sep
14°C / 20°C
Moderate Drizzle
Hourly forecast today:
09:00 AM
5° / 14°
5° / 14°
Clear Sky
57% 7 km/h
10:00 AM
6° / 16°
6° / 16°
Clear Sky
52% 6 km/h
11:00 AM
5° / 17°
5° / 17°
Clear Sky
45% 10 km/h
12:00 PM
5° / 19°
5° / 19°
Partly Cloudy
41% 15 km/h
13:00 PM
5° / 20°
5° / 20°
Mainly Clear
37% 19 km/h
14:00 PM
6° / 21°
6° / 21°
Partly Cloudy
37% 16 km/h
15:00 PM
6° / 21°
6° / 21°
Clear Sky
38% 19 km/h
16:00 PM
6° / 21°
6° / 21°
Partly Cloudy
36% 16 km/h
17:00 PM
6° / 21°
6° / 21°
Clear Sky
39% 14 km/h
18:00 PM
7° / 20°
7° / 20°
Clear Sky
45% 14 km/h
19:00 PM
8° / 19°
8° / 19°
Partly Cloudy
47% 11 km/h

30 Day Averages and Extremes

  • Average high 19.1°C
  • Average low 11.83°C
  • Hottest day 25°C (29 September 2026)
  • Coldest day 0°C (04 October 2026)
  • Average humidity 67.9%
  • Days with precipitation 23 days
  • Highest precipitation 63 mm (07 September 2026)

Yesterday's Data

  • Max: 21°C
  • Min: 8°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 20ºC to 23ºC (68.0ºF to 73.4ºF), you might consider wearing:
- Sun hat or cap
- Comfortable sandals or sneakers
- Shorts or lightweight trousers
- Sunglasses

Temperature

Early
5°C / 9°C
Morning
5°C / 14°C
Afternoon
6°C / 21°C
Evening
10°C / 17°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 458
  • CO 245
  • NH3 3
  • NO2 17
  • O3 51
  • PM10 19
  • PM25 9
  • SO2 1
  • CH4 1,487

Sunrise / Sunset

05:48
18:00