Heatwave confirmed amid third successive day of record May heat

Tuesday, 26 May 2026 17:25

A heatwave has been officially confirmed as more heat records are broken in Jersey.

Highs of 34.2°C have been confirmed for Tuesday (26 May), 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 🌡️
34.2°C at Maison St Louis Observatory — joint 11th hottest day (any month) since records began in 1894! pic.twitter.com/XnU9iUYjkS
— Jersey Met (@Jersey_Met) May 26, 2026

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, 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