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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the StoryShift weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
For the most reliable snapshot of conditions right now, check the live forecast above. Weymouth’s coastal climate means temperatures often stay a few degrees cooler than inland Dorset in summer, but the sea breeze keeps it fresh.
When is the best time to visit Weymouth?
Late May to mid-September offers the warmest sea temperatures and the highest chance of dry, settled weather. July and August are peak season, with school holidays bringing crowds and higher prices. For quieter visits with still-pleasant conditions, aim for June or early September.
What should I pack for a trip to Weymouth?
Even in summer, pack a light jacket or fleece for coastal breezes, especially in the evening. Waterproofs are sensible from October to April. Sunscreen and a hat are essential from May to August, as UV reflection off the sea can be strong. Comfortable walking shoes are a must for the Chesil Beach and Portland walks.
Is the Met Office weather for Weymouth more accurate than the BBC?
Both use the same Met Office data. The BBC presents a simplified forecast, while the Met Office website offers more granular detail, such as hourly UV and wind gusts. For a quick check, the BBC is fine; for planning sailing or walks, use the Met Office.
What is the 14-day weather forecast for Weymouth typically like?
Long-range forecasts (14 days) are general trends, not day-by-day certainties. They are useful for spotting a settled spell or a likely change, but you should always check the 7-day forecast a few days before your trip for reliable planning.
How does Weymouth weather compare to Dorchester?
Weymouth is often 1–2°C cooler in summer and milder in winter than Dorchester, due to its coastal position. Dorchester can feel stuffier on hot days, while Weymouth benefits from a cooling sea breeze. Rain can be more persistent over the hills near Dorchester.
For a broader look at conditions across the country, visit our UK weather hub or check the 10-day weather forecast for the UK. If you are planning a trip further inland, the Bristol weather page offers a useful comparison for the West Country.