Residents in Slough are set to enjoy a brief spell of unusually warm and sunny weather this week before conditions turn cooler and unsettled for the weekend. According to the Met Office, temperatures in the area are expected to reach around 21°C on Wednesday, 8 April 2026.
This warmth represents a notable increase above the typical early April average of around 15°C. However, the mild weather will be short-lived, with forecasters predicting that temperatures will drop as cooler air moves in from the northwest. Daytime temperatures across the region could fall by as much as 10°C between Wednesday and Thursday.
While the sunshine provides an opportunity for outdoor plans mid-week, the Met Office has issued a warning regarding air quality. Pollen levels are classified as very high in many areas, and with high levels of pollen reported across England and Wales, residents sensitive to these conditions are advised to take necessary precautions.
Those planning to be outdoors during the warmer midday hours should also be mindful of UV exposure, which is currently rated as moderate. Official guidance suggests using sunscreen to stay protected while the sun is at its strongest. Following the mid-week warm spell, the outlook for the weekend indicates a shift toward more unsettled conditions, with light rain expected on Sunday and Monday.
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