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Updated: @ 21/08/2026 16:40 - next update at 01:00  
Summary / Temperature Wind Rain WeatherCam
Some clouds, Dry Some clouds, Dry
Currently: 20.7, Max: 21.5, Min: 13.5 20.7°C
Colder 0.1°C than last hour.

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Feels like: 25.1°C

24-hr difference
-2.1°CColder 2.1°C than yesterday at this time.
  Today Yesterday
High: 21.5°C
14:27
23.1°C
14:48
Low: 13.5°C
06:24
15°C
23:32
 Wind from NW NW
4
Gust:
4.2 mph
2 Bft - Light Breeze
Today: 17.3 mph 15:03
Gust Month: 22.5 mph August 4
Rain Today: 0 mm
Rain Rate (/hr): 0 mm
Rain Yesterday: 0 mm
Storm Rain: 0 mm
This Month: 1.024 mm
Season Total: 433.7 mm
1 rain day in August.
Humidity & Barometer Almanac WebCam
Humidity: 42 %  
Dew Point: 7.3°C Decreased 0.1°C since last hour.
Barometer: 1013.3 hPa  
Baro Trend: Steady
Sunrise: 05:52
Sunset: 20:08
Moonrise: 16:40
Moonset: 23:09
UV Index Forecast Solar Radiation
21/08/2026
4.7     Medium 
327 W/m2 (69 %)
High: 878 @  11:12
No Chelmsford Weather Station records broken today as of 21.08.2026 16:40
 WXSIM Weather Forecast  - Outlook: This afternoon & Tonight
This
afternoon
Mostly Cloudy
Mostly Cloudy

High: 21°
WXSIM forecast: Mostly cloudy. A chance of rain. High 21°. UV index up to 3. Wind north around 9 mph, gusting to 17 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
 
Tonight

Partly Cloudy
Partly Cloudy

Low: 12°
WXSIM forecast: Partly cloudy. Low 12°. Wind north around 8 mph, gusting to 17 mph.
 WXSIM Short Term Weather Forecast
Saturday

Partly Cloudy
Partly Cloudy
High: 22°
Saturday
night
Partly Cloudy
Partly Cloudy
Low: 11°
Sunday

Mostly Sunny
Mostly Sunny
High: 24°
Sunday
night
Partly Cloudy
Partly Cloudy
Low: 14°
Monday

Mostly Cloudy
Mostly Cloudy
High: 22°
Monday
night
Partly Cloudy
Partly Cloudy
Low: 15°
Tuesday

Mostly Cloudy
Mostly Cloudy
High: 23°
  WXSIM 5 Day Meteogram for Chelmsford
  UK Cloud Satellite / UK Rain Radar / UK Temperatures
Countdown to Autumn
 Autumn Equinox begins September 23rd at 1:05am   BST