Our Chelmsford forecast page details local weather conditions for today, tonight, and tomorrow from our team of forecasters at Essex Weather. Access to rainfall radar and lightning maps are shown towards the bottom of the page.
An extended long-range weather forecast covering the next 7, 10, and 30-day period is available on our month ahead forecast page.
Short Range Forecast
Medium Range Forecast
Daily Weather Outlook
Severe Weather Warnings
Flood Warnings and Alerts
Flood Warnings and Alerts
The link below shows all current flood alerts, flood warnings and severe flood warnings issued for Essex by the Environment Agency.
Weather and Health
A five-day national and regional pollen forecast is available from the Met Office with expertise from the University of Worcester.
A five-day national and local pollution forecast is available from the Department for Environment, Food & Rural Affairs.
The Heat-Health Alert service operates from 1st June to 15th September each year, in association with UK Health Security Agency.
Radar and Lightning Maps
The link below shows animated rainfall radar images at 5-minute intervals of Chelmsford and the rest of Essex over the past 90 minutes.
Different colours indicate how heavy precipitation is that is falling to the ground. For example, areas of yellow and orange show heavy rainfall (or snowfall in winter). Thunderstorms are often indicated by red or pink colours.
The link below enables weather observers to track thunderstorms in and around southeast England and the near Continent.
The lightning data is shown on a map in real-time, but depending on server load (especially during severe weather outbreaks), there may be a delay between 3 and 10 seconds before each new strike appears.
Weather In Chelmsford
Our forecasters update the written short-range and medium-range weather forecasts throughout the day. They include the latest output from the Met Office UKV and ECMWF numerical weather prediction models. These kilometre-scale forecasting models produce significantly improved weather forecasts and pinpoint features such as thunderstorms, fog, and snow.
A graphical weather outlook for the next four days is presented for Chelmsford and is based upon the latest run of the ECMWF computer model. Updated twice daily, this forecast provides a view of expected daily weather conditions for the Chelmsford area, including predicted minimum and maximum temperatures.
Chelmsford Weather History
In 1854, the snowy weather was so severe that Chelmsford suffered from snow drifts as deep as 7 feet. In January 1881, the 'blizzard of the century' meant that trading all but ceased in most of Essex due to the extremity of the weather. Chelmsford was a notable exception where enterprising businessmen made a roaring trade in eye-glasses that had green lenses help people to avoid 'snow blindness'. In 1976, however, the weather was so hot that firemen in Chelmsford had to resort to using the water from the few ponds that were still 'wet' to put out fires. The summer of 1976 was the busiest time on record for Essex Firefighters, with up to 400 firefighters on active duty to fight the effects of the sweltering weather.
Important: Whilst we provide a comprehensive daily weather forecast service for Essex, we urge visitors to check the Met Office website today for any severe weather warnings and the Environment Agency website for any flood warnings that may affect Chelmsford and the surrounding areas.
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Our forecasts may NOT be published, broadcast, rewritten, or redistributed in whole or part except for personal use.