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Live forecasts update automatically; written guidance last reviewed 20 June 2026 by the UK Bullet weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Check the live forecast above for Petworth’s current conditions and plan your day around the most settled window, as West Sussex’s weather often changes with coastal influences.
What is the outlook for Petworth today?
The live forecast above shows the immediate trend for Petworth. Expect a mix of cloud and brighter spells, with the chance of light showers drifting in from the Downs. Winds stay light to moderate, and temperatures will feel typical for the season.
- Morning cloud may break to sunny intervals by midday.
- Showers, if any, are likely to be brief and scattered.
- Evening will turn cooler with clearing skies.
How does Petworth’s location affect its weather?
Petworth sits in the Rother Valley, sheltered by the South Downs. This means it can be slightly warmer than exposed coastal spots but also prone to mist or fog in calm, clear nights. The met office weather petworth forecast often highlights these local variations.
- The South Downs can block or divert rain bands moving from the south.
- Frost is more common in the valley during winter than on higher ground.
- Summer thunderstorms can develop quickly if warm air meets the hills.
Is the bbc weather petworth forecast reliable for the week ahead?
The BBC forecast uses Met Office data, so it’s reliable for general trends up to 5 days out. For day-to-day accuracy, check the live forecast above each morning, as local conditions can shift quickly.
Does Petworth get more rain than nearby towns?
Not significantly. Petworth averages similar rainfall to the rest of West Sussex, though the South Downs can create a slight rain shadow effect, meaning the town can be drier than hilltop areas like Bury or Duncton.
What is the best time of year to visit Petworth for settled weather?
Late spring (May–June) and early autumn (September) offer the most reliable dry, mild conditions. July and August can be warm but also bring thundery breakdowns, while winter is often damp and chilly.
For more local outlooks, see our UK weather hub or check the 10 day weather forecast UK. If you are planning a trip further north, compare with Bristol Weather or Sheffield Weather.