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UK Last 24hrs

High Temp
18.6C
Heathrow
 
Low Temp
2.4C
Killylane
 
Precipitation
14mm
Tain Range
 
Sunniest
13.1 hours
Leuchars

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Cloudbase

Length of Day

15 hrs 48 min 1 sec
of Daylight Today
Which is
2 min 53 sec Longer
Than Yesterday
(Noon)
Day-Night Graphic
(Midnight)

Moon Phase


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Weather Underground PWS IESSEXCH11
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Updated: @ 18/05/2026 08:20 - next update at 01:00  
Summary / Temperature Wind Rain WeatherCam
Sunny, Dry Sunny, Dry
Currently: 10.7, Max: 10.7, Min: 6.8 10.7°C
Warmer 1.1°C than last hour.

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Feels like: 10°C

24-hr difference
-0.5°CColder 0.5°C than yesterday at this time.
  Today Yesterday
High: 10.7°C
08:19 		17°C
16:08
Low: 6.8°C
04:58 		9.9°C
04:59
Wind from WSW WSW
5.6
Gust:
 7.2 mph
2 Bft - Light Breeze
Today: 10.4 mph 07:43
Gust Month: 22.1 mph May 13
Rain Today: 0 mm
Rain Rate (/hr): 0 mm
Rain Yesterday: 3.8 mm
Storm Rain: 0 mm
This Month: 15.24 mm
Season Total: 363.1 mm
7 rain days in May.
Humidity & Barometer Almanac WebCam
Humidity: 76 % Decreased 8.0% since last hour.
Dew Point: 6.6°C Decreased 0.3°C since last hour.
Barometer: 1011.5 hPa Rising 0.3 hPa/hr
Baro Trend: Steady
Sunrise: 05:01
Sunset: 20:48
Moonrise: 05:36
Moonset: 23:33
UV Index Forecast Solar Radiation
18/05/2026
4.9     Medium 
414 W/m2 (94 %)
High: 414 @  08:20
No Chelmsford Weather Station records broken today as of 18.05.2026 08:20
 WXSIM Weather Forecast  - Outlook: Today & Tonight
Today

Chance rain
Chance rain
High: 15°		 WXSIM forecast: Mostly cloudy to cloudy in the morning, becoming mostly cloudy in the afternoon. A slight chance of rain in the morning, then a chance of rain in the afternoon. High 15°. UV index up to 3. Wind west-southwest around 10 mph, gusting to 19 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
 
Tonight

Chance rain
Chance rain
Low: 10°		 WXSIM forecast: Cloudy in the evening, becoming dense overcast after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Low 10°. Wind south-southwest around 9 mph, gusting to 19 mph. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
 WXSIM Short Term Weather Forecast
Tuesday

Chance rain
Chance rain
High: 18° 		Tuesday
night
Mostly Cloudy
Mostly Cloudy
Low: 10° 		Wednesday

Chance rain
Chance rain
High: 20° 		Wednesday
night
Fog late
Fog late
Low: 11° 		Thursday

Partly Cloudy
Partly Cloudy
High: 23° 		Thursday
night
Partly Cloudy
Partly Cloudy
Low: 12° 		Friday

Mostly Cloudy
Mostly Cloudy
High: 25°
  WXSIM 5 Day Meteogram for Chelmsford
  UK Cloud Satellite / UK Rain Radar / UK Temperatures
Countdown to Summer
 Summer Solstice begins June 21st at 9:24am   BST