Slough, United Kingdom Weather

Slough,  Weather
(Photo by Viktor Forgacs on Unsplash)

Current conditions

Updated:
7°C
44.6°F
°C °F

Condition: Overcast

Pressure: 998 hPa

Feel like: 5 °C

Temperature: 7°C

Cloud: 100%

Humidity: 85%

Wind: NNW - 8 km/h

Visibility: 22.96 km

Weather forecast

Fri
15 May
6°C / 12°C
Overcast
Sat
16 May
9°C / 14°C
Drizzle
Sun
17 May
6°C / 13°C
Moderate Drizzle
Mon
18 May
10°C / 14°C
Moderate Drizzle
Tue
19 May
11°C / 17°C
Moderate Drizzle
Hourly forecast today:
01:00 AM
5° /
5° /
Overcast
85% 16 km/h
02:00 AM
5° /
5° /
Overcast
87% 20 km/h
03:00 AM
5° /
5° /
Overcast
87% 21 km/h
04:00 AM
5° /
5° /
Overcast
87% 20 km/h
05:00 AM
4° /
4° /
Mainly Clear
85% 22 km/h
06:00 AM
4° /
4° /
Partly Cloudy
82% 25 km/h
07:00 AM
4° /
4° /
Mainly Clear
76% 25 km/h
08:00 AM
2° /
2° /
Partly Cloudy
63% 29 km/h
09:00 AM
2° / 10°
2° / 10°
Partly Cloudy
58% 28 km/h
10:00 AM
2° / 11°
2° / 11°
Overcast
54% 24 km/h
11:00 AM
1° / 11°
1° / 11°
Overcast
50% 27 km/h

30 Day Averages and Extremes

  • Average high 16.93°C
  • Average low 8.6°C
  • Hottest day 26°C (26 May 2026)
  • Coldest day 0°C (28 May 2026)
  • Average humidity 64.1%
  • Days with precipitation 25 days
  • Highest precipitation 49 mm (12 May 2026)

Yesterday's Data

  • Max: 13°C
  • Min: 7°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 cool weather in Slough, with temperatures between 11ºC to 14ºC (51.8ºF to 57.2ºF), you should consider wearing:
- Long-sleeve top or shirt
- Cotton socks
- Light scarf or wrap
- Casual shoes or sneakers

Temperature

Early
5°C / 7°C
Morning
2°C / 10°C
Afternoon
0°C / 13°C
Evening
4°C / 7°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 447
  • CO 131
  • NH3 1
  • NO2 6
  • O3 59
  • PM10 6
  • PM25 4
  • SO2 0
  • CH4 1,399

Sunrise / Sunset

04:10
19:47