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Live forecasts update automatically; written guidance last reviewed 20 June 2026 by the Edinburgh Wire weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
For the latest conditions in Chertsey, the live forecast above shows the current outlook for this Surrey town on the River Bourne, inland from the M25 corridor and southwest of London.
What is the weather trend for Chertsey this week?
Chertsey, situated in the Surrey lowlands, typically sees a milder climate than exposed coastal spots. The live forecast above indicates the immediate pattern, with conditions often influenced by the surrounding North Downs. For a broader view of the week ahead, check our 10 Day Weather Forecast UK page. The weather in Chertsey 10 days out can shift, so the live panel provides the most current estimate.
How does Chertsey compare to other southern towns?
Being inland, Chertsey avoids the sharp sea breezes that affect coastal Surrey, but it can feel cooler than central London. The town’s position near the M25 means it often shares similar conditions to Bristol Weather when frontal systems move in from the west, though Chertsey is typically a degree or two warmer during settled spells.
Does Chertsey flood often?
Chertsey has a history of flooding from the River Bourne and nearby Thames, especially after prolonged rain. The live forecast’s rainfall details can help you anticipate river level rises. Check the Environment Agency’s warnings for real-time alerts.
Is Chertsey usually colder than London?
Chertsey is often 1–2°C cooler than central London at night due to urban heat island effects. During the day, differences are small. The live forecast above gives precise local temperatures for the town itself.
What’s the best time to visit Chertsey?
Late spring (May–June) and early autumn (September) offer the most settled conditions. Use the live forecast to check for dry spells, as Chertsey’s low-lying position can trap mist in winter. Avoid bank holidays when the M25 adds to local congestion.