A heatwave has been officially confirmed as more heat records are broken in Jersey.
Highs of 34.2°C have been confirmed, smashing the previous 2003 May high of 28.9°C for the third straight day.
It's the eleventh hottest day ever recorded in Jersey!
Yet another record-breaking day 🌡️
— Jersey Met (@Jersey_Met) May 26, 2026
34.2°C at Maison St Louis Observatory — joint 11th hottest day (any month) since records began in 1984! pic.twitter.com/XnU9iUYjkS
Jersey is now officially in a heatwave, because temperatures of at least 28°C have been reached for three consecutive days.
Jersey has reached the threshold for a heatwave, as we have recorded 3 consecutive days with a maximum daily temperature reaching 28°C or more at Maison St Louis Observatory. pic.twitter.com/nVBkBrltm5
— Jersey Met (@Jersey_Met) May 26, 2026
It's set to be really hot again tomorrow, but it's not expected to be another record-breaker, with highs of 33°C forecast.
Public Health advice in hot weather:
Extreme heat can cause heat exhaustion, heatstroke and dehydration. Older people and children are particularly at risk.
There are lots of ways you can keep cool and reduce the risks:
- stock up on food and drink supplies so you don't have to go out into the heat everyday
- avoid going outside during the hottest time of day 11am to 3pm
- leave strenuous activities like gardening or DIY for later on in the day when it is cooler
- take cold baths and showers
- drink plenty of fluids but avoid coffee and alcohol
- provide shade for babies with parasols
- freeze ice lollies for children
- keep your home cool by closing curtains, opening windows and using fans
- when you go out wear a sun hat and loose light clothing, try to stay in the shade and carry water with you
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