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High Temp
21.9C
Heathrow
 
Low Temp
6.1C
Dundreggan Rewilding Centre
 
Precipitation
11.6mm
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Sunniest
8 hours
Almondsbury

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Length of Day

12 hrs 32 min 40 sec
of Daylight Today
Which is
3 min 57 sec Shorter
Than Yesterday
(Noon)
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(Midnight)

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Weather Underground PWS IESSEXCH11
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Updated: @ 17/09/2026 08:50 - next update at 01:00  
Summary / Temperature Wind Rain WeatherCam
Cloudy, Dry Cloudy, Dry
Currently: 14.2, Max: 15.4, Min: 13.2 14.2°C
Warmer 0.3°C than last hour.

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Feels like: 13°C

24-hr difference
0.2°CWarmer 0.2°C than yesterday at this time.
  Today Yesterday
High: 15.4°C
00:50 		19.6°C
15:54
Low: 13.2°C
04:12 		12.5°C
06:00
Wind from WSW WSW
7.4
Gust:
 6 mph
2 Bft - Gentle Breeze
Today: 15 mph 08:39
Gust Month: 24.4 mph September 3
Rain Today: 0.207 mm
Rain Rate (/hr): 0 mm
Rain Yesterday: 0.3 mm
Storm Rain: 0 mm
This Month: 8.335 mm
Season Total: 461.9 mm
2 rain days in September.
Humidity & Barometer Almanac WebCam
Humidity: 87 % Increased 5.0% since last hour.
Dew Point: 12.1°C Increased 1.2°C since last hour.
Barometer: 1010.2 hPa Falling 0.3 hPa/hr
Baro Trend: Steady
Sunrise: 06:35
Sunset: 19:08
Moonrise: 14:25
Moonset: 21:05
UV Index Forecast Solar Radiation
17/09/2026
3.4     Medium 
64 W/m2 (22 %)
High: 76 @  08:05
No Chelmsford Weather Station records broken today as of 17.09.2026 08:50
 WXSIM Weather Forecast  - Outlook: Tonight & Thursday
Tonight

Mostly Cloudy
Mostly Cloudy
Low: 14°		 WXSIM forecast: Mostly cloudy to cloudy. Low 14°. Wind west-southwest around 6 mph in the evening, becoming 10 mph, gusting to 18 mph, after midnight.
 
Thursday

Chance rain
Chance rain
High: 21°		 WXSIM forecast: Cloudy in the morning, becoming partly to mostly cloudy in the afternoon. A chance of rain in the morning, then a slight chance of rain in the afternoon. Breezy. High 21°. UV index up to 3. Wind west-southwest around 12 mph, gusting to 21 mph. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
 WXSIM Short Term Weather Forecast
Thursday
night
Partly Cloudy
Partly Cloudy
Low: 11° 		Friday

Mostly Cloudy
Mostly Cloudy
High: 20° 		Friday
night
Cloudy
Cloudy
Low: 13° 		Saturday

Cloudy
Cloudy
High: 22° 		Saturday
night
Chance rain
Chance rain
Low: 15° 		Sunday

Mostly Cloudy
Mostly Cloudy
High: 20° 		Sunday
night
Partly Cloudy
Partly Cloudy
Low: 12°
  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