Watford residents are set to experience an unusually warm start to the week, with temperatures reaching a peak of 24°C on Wednesday, 8 April 2026, before conditions turn cooler for the remainder of the week. This warm spell, driven by high pressure from the southeast, marks the hottest early April temperatures the area has seen since 2020.
According to the Met Office, the sunshine on Wednesday will provide 13 hours and 25 minutes of daylight. However, the warmer weather will be short-lived, as Atlantic weather systems move in from Thursday, leading to a significant drop in temperatures by approximately 10°C.
While the sunshine is welcome, the Met Office warns that UV levels are moderate. Residents are encouraged to wear sunscreen during the middle of the day, as current levels are strong enough to cause skin damage. Additionally, those who suffer from hay fever should be aware that pollen levels are forecast to be very high through Saturday, 11 April, with particularly high concentrations of birch and ash pollen.
The second half of the week will see more unsettled conditions. Temperatures are expected to drop to 14°C on Friday and 13°C by Saturday. The cooler trend continues into early next week, with an increasing chance of rain reaching 40 to 50 percent by Sunday afternoon, 13 April, and temperatures feeling closer to 9°C.
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