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Updated: @ 23/09/2026 00:05 - next update at 01:00  
Summary / Temperature Wind Rain WeatherCam
Mostly cloudy Mostly cloudy
Currently: 18.3, Max: 18.3, Min: 18.3 18.3°C
Colder 0.5°C than last hour.

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Feels like: 18.3°C

24-hr difference
3.4°CWarmer 3.4°C than yesterday at this time.
  Today Yesterday
High: 18.3°C
00:00
25.1°C
15:57
Low: 18.3°C
00:00
12.3°C
07:14
 Wind from S S
0.4
Gust:
0 mph
0 Bft - Calm
Today: 3.5 mph 00:00
Gust Month: 24.4 mph September 3
Rain Today: 0 mm
Rain Rate (/hr): 0 mm
Rain Yesterday: 0 mm
Storm Rain: 0 mm
This Month: 8.886 mm
Season Total: 462.5 mm
2 rain days in September.
Humidity & Barometer Almanac Air Quality
Humidity: 71 % Decreased 1.0% since last hour.
Dew Point: 12.9°C Decreased 0.7°C since last hour.
Barometer: 1026.9 hPa Falling 0.2  hPa/hr
Baro Trend: Steady
Sunrise: 06:43
Sunset: 18:56
Moonset: 01:11
Moonrise: 17:36
Chelmsford
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1 — Low pollution
DAQI: 1–3 Low · 4–6 Moderate · 7–9 High · 10 Very High
Live details
UV Index Forecast Solar Radiation
23/09/2026
3.0     Medium 
0 W/m2 (0 %)
High: 0 @  00:00
No Chelmsford Weather Station records broken today as of 23.09.2026 00:05
 WXSIM Weather Forecast  - Outlook: Tonight & Wednesday
Tonight

Mostly Cloudy
Mostly Cloudy

Low: 17°
WXSIM forecast: Mostly cloudy. Mild. Low 17°. Wind south-southeast around 5 mph.
 
Wednesday

Mostly Cloudy
Mostly Cloudy

High: 24°
WXSIM forecast: Mostly cloudy. Warm. High 24°. UV index up to 2. Wind southwest around 7 mph, gusting to 18 mph, in the morning, becoming west-northwest around 10 mph, gusting to 20 mph, in the afternoon.
 WXSIM Short Term Weather Forecast
Wednesday
night
Mostly Cloudy
Mostly Cloudy
Low: 12°
Thursday

Partly Cloudy
Partly Cloudy
High: 22°
Thursday
night
Partly Cloudy
Partly Cloudy
Low: 12°
Friday

Sunny
Sunny
High: 26°
Friday
night
Partly Cloudy
Partly Cloudy
Low: 13°
Saturday

Mostly Cloudy
Mostly Cloudy
High: 20°
Saturday
night
Mostly Cloudy
Mostly 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