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UK Last 24hrs

High Temp
28.7C
Thorney Island
 
Low Temp
3C
Katesbridge
 
Precipitation
2.8mm
Fair Isle
 
Sunniest
13.5 hours
Coventry, Coundon

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Cloudbase

Length of Day

14 hrs 52 min 60 sec
of Daylight Today
Which is
3 min 29 sec Shorter
Than Yesterday
(Noon)
Day-Night Graphic
(Midnight)

Moon Phase


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Weather Underground PWS IESSEXCH11


Chelmsford Weather Station History
 Since: January 1st, 2013

Updated: @ 11/08/2026 14:25 - next update at 01:00  
Measurement: Current: Yesterday Month / MTD Year / YTD Station Record
Temperature: Colder 0.1°C than last hour.
Thermometer Average:
Maximum
Temperature:
Minimum
Temperature:
21.2°C
17.3°C
21.5°C
12:16 PM
13.6°C
5:32 AM
 
20.5°C
25.1°C
3:47 PM
16.1°C
11:57 PM
 
20.5°C
30.0°C
09-08
10.9°C
07-08
 
12.9°C
35.6°C
26-06
-4.8°C
06-01
 
---
38.9°C
19/07/2022
-7.8°C
17/12/2022
Wind Chill:
Wind Chill Minimum
Wind Chill:
21.2°C
13.6°C 
5:32 AM
 
16.1°C
11:57 PM
 
10.9°C
07-08
 
-8.7°C
06-01
 
-15.9°C
31/03/2013
Heat Index:
Heat Index Maximum
Heat Index:
24.6°C
21.5°C
12:16 PM
 
25.1°C
3:47 PM
 
29.8°C
04-08
 
40.4°C
24-06
 
56.0°C
14/08/2022
Solar Radiation W/m2:
Heat Index Maximum
Solar Radiation:
Sunshine
Hours:
684
901
12:31 PM
05
Hours
 
929.0
12:33 PM
07
Hours
 
971.0
05-08
90
Hours
 
1239.0
05-06
1160
Hours
 
1305.0
28/05/2025
---
 
Evapotranspiration:
Heat Index Watering
Index1:
4.3
4.3
mm
 
5.4
mm
 
54.1
mm
 
---
 
 
---
 
Rain2:
Rain / Snow Melt Rainfall
or Melt:
Average:
Percent of Average:
0.00 mm
0.00 mm
 
---
---
 
0.00 mm
 
---
---
 
0.01 mm
 
35.2 mm
0.0%
 
432.70 mm
 
599.8 mm
72.1%
Rec Year5
866.2 mm
2014
---
---
Humidity:
Humidity Maximum
Humidity:
Minimum
Humidity:
58%
87%
5:45 AM
56%
2:08 PM
 
76%
10:49 PM
41%
3:19 PM
 
90%
04-08
28%
01-08
 
100%
08-01
15%
25-04
 
100%
01/12/2012
0%
13/01/2017
Dew Point:
Dew Point Maximum
Dew Point:
Minimum
Dew Point:
12.6°C
13.8°C
12:32 PM
11.3°C
5:32 AM
 
16.4°C
4:31 PM
10.3°C
3:19 PM
 
18.7°C
04-08
5.3°C
01-08
 
23.6°C
24-06
-7.8°C
25-04
 
23.6°C
24/06/2026
-12.3°C
25/01/2023
Wind: E
wind Maximum
Avg Wind Speed:
Avg Wind Gust:
Maximum
Wind Gust:
Wind
Run:
5.4 mph
11.8 mph
10:18 AM
3.8 mph
17.4 mph
12:26 PM
54.57
Miles
 
11.8 mph
5:51 PM
---
18.4 mph 7:31 PM
99.67
Miles
 
13.9 mph
05-08
---
22.6 mph
04-08
930.60
Miles
 
21.9 mph
05-04
---
35.1 mph
12-03
23277.46
Miles
 
41.7 mph
18/12/2025
---
54.1 mph
18/12/2025
---
 
Barometer:  Falling 0.3 °C/hr( hPa)
Barometer Maximum
Barometer:
Minimum
Barometer:
1024.9
1025.4
7:52 AM
1023.6
12:08 AM
 
1023.7
11:51 PM
1013.0
12:00 AM
 
1025.4
11-08
1008.6
04-08
 
1032.0
25-05
975.6
11-02
 
1048.3
20/01/2020
956.2
02/11/2023
Measurement: Current: Yesterday Month / MTD Year / YTD Station Record
Version 3.02 - 31-Dec-2011 - Script by: WebsterWeatherLIVE.com
1Estimated amount of water needed to replace the water used by plants and evaporation from the past week.
(Negative numbers mean amount of water needed, positive numbers mean excess water is present.)
2Rain season: Jan 1st to Dec 31st.   5From this station's records based on complete years data for rain/snow season. Does not include current year/season

Φ = Average Reading