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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Regional Report weather desk. Data from national met services via Open-Meteo.
Check the live forecast above for Chalfont St Peter before heading out, as conditions can shift quickly with the Chilterns influence. This page gives you the key details for planning your day in the Buckinghamshire village.
What is the weather like in Chalfont St Peter today?
The live forecast above shows the current conditions and the expected trend for the next few hours. Chalfont St Peter often sees a slight temperature dip compared to London due to its elevation, and the Misbourne Valley can trap mist on calm mornings.
- Expect the temperature to be a degree or two cooler than in central London, especially overnight.
- Wind speeds are generally light to moderate, but can funnel along the A413 corridor.
- Rainfall totals are typically lower than in the Chiltern hilltops, but showers can be persistent when a front stalls over the area.
- For an hour-by-hour breakdown, check the UK weather hub for the latest radar and satellite imagery.
What should I expect for the week ahead in Chalfont St Peter?
The 10-day forecast, referenced in the live forecast above, gives a reliable overview of any significant weather changes. Chalfont St Peter sits in a rain shadow effect from the Chilterns, so north-westerly winds can bring drier conditions than nearby Gerrards Cross.
- Weekend plans often hinge on whether a low-pressure system tracks south or north of the village.
- Frost is a common risk in spring and autumn, particularly in the outlying lanes near Chalfont St Giles.
- For a full outlook, see the 10 Day Weather Forecast UK.
How does the weather in Chalfont St Peter compare to nearby Chalfont St Giles?
Chalfont St Giles sits slightly higher in the Misbourne Valley, so it can be a degree cooler and more prone to mist. Both villages share similar rainfall patterns, but Chalfont St Peter is marginally drier due to its lower elevation.
Where can I get a reliable hourly forecast for Chalfont St Peter?
The Met Office provides the most authoritative hourly data for the area, often used by the live forecast above. BBC Weather also offers a useful mobile-friendly breakdown, though it sources its raw data from the Met Office.
Is Chalfont St Peter prone to flooding during heavy rain?
The River Misbourne runs through the village and can rise quickly after prolonged rain, particularly near the Old Mill area. Localised surface water flooding is also possible on roads like the A413 if drains are blocked during intense downpours.