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:
21°C
69.8°F
°C °F

Condition: Partly Cloudy

Pressure: 1,020 hPa

Feel like: 19 °C

Temperature: 21°C

Cloud: 52%

Humidity: 55%

Wind: W - 16 km/h

Visibility: 29.62 km

Weather forecast

Thu
24 Sep
10°C / 22°C
Drizzle
Fri
25 Sep
10°C / 20°C
Drizzle
Sat
26 Sep
11°C / 20°C
Overcast
Sun
27 Sep
11°C / 15°C
Drizzle
Mon
28 Sep
13°C / 20°C
Drizzle Dense Intensity
Hourly forecast today:
11:00 AM
12° / 21°
12° / 21°
Partly Cloudy
55% 33 km/h
12:00 PM
11° / 22°
11° / 22°
Overcast
51% 34 km/h
13:00 PM
12° / 22°
12° / 22°
Overcast
51% 33 km/h
14:00 PM
11° / 22°
11° / 22°
Mainly Clear
49% 39 km/h
15:00 PM
11° / 23°
11° / 23°
Overcast
47% 37 km/h
16:00 PM
10° / 21°
10° / 21°
Overcast
50% 37 km/h
17:00 PM
9° / 20°
9° / 20°
Mainly Clear
49% 34 km/h
18:00 PM
7° / 18°
7° / 18°
Clear Sky
50% 29 km/h
19:00 PM
7° / 16°
7° / 16°
Clear Sky
53% 23 km/h
20:00 PM
6° / 15°
6° / 15°
Clear Sky
56% 17 km/h
21:00 PM
6° / 15°
6° / 15°
Clear Sky
57% 22 km/h

30 Day Averages and Extremes

  • Average high 18.63°C
  • Average low 11.53°C
  • Hottest day 24°C (13 September 2026)
  • Coldest day 0°C (06 October 2026)
  • Average humidity 69.97%
  • Days with precipitation 20 days
  • Highest precipitation 51 mm (12 September 2026)

Yesterday's Data

  • Max: 23°C
  • Min: 13°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:
- Sunglasses
- Cotton or linen fabrics
- Light, breathable socks
- Comfortable sandals or sneakers

Temperature

Early
13°C / 15°C
Morning
13°C / 19°C
Afternoon
11°C / 23°C
Evening
6°C / 15°C

Air quality

Moderate

Acceptable air quality, some pollutants present, minor health concerns for sensitive individuals

  • CO2 439
  • CO 190
  • NH3 2
  • NO2 9
  • O3 62
  • PM10 15
  • PM25 7
  • SO2 1
  • CH4 1,387

Sunrise / Sunset

05:51
17:56