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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the UrbanMixr weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Weymouth’s coastal location means the live forecast above can shift quickly with sea breezes — check it before you head out, especially if you’re planning a beach day or a walk along the Jurassic Coast.
When should I visit Weymouth?
The best months are May to September, when average highs reach 19–22°C and sea temperatures are warmest. June and July offer the most stable weather, though August is busiest with school holidays. Pack a light rain jacket even in summer — showers blow in from the Channel. For quieter visits with lower accommodation costs, try late May or early September.
What to pack for Weymouth’s weather
Layers are essential. A windproof jacket, sunglasses and sun cream for UV reflection off the sea, plus sturdy shoes if you plan to walk the coast path. In winter (November–February), pack a warm coat and waterproofs; temperatures hover around 5–9°C. For accurate planning, check the 10-day forecast close to your travel date.
How does Weymouth’s weather compare to Dorchester?
Dorchester, being inland and about 8 miles north, is often a couple of degrees cooler in summer and colder at night. Weymouth benefits from maritime moderation — less frost and slightly more sunshine. For precise comparisons, look at the BBC Weather Dorchester and Met Office weather Weymouth pages side by side.
Where can I find the 14-day forecast for Weymouth?
Most reliable sources (including the Met Office and BBC) update a 14-day outlook daily, though accuracy drops after day 7. You’ll also find a 14 day weather forecast for Weymouth on specialist sites. For longer-range planning, a Weymouth weather forecast 21 days can give a general trend, but treat it as indicative.
Is the BBC’s 14-day Weymouth forecast the same as the Met Office’s?
The BBC uses Met Office data for its BBC Weather Weymouth 14 days Met Office page, so the underlying numbers are identical — only the presentation differs. The BBC Weather Weymouth 7 days Met Office forecast is updated more frequently and is generally more reliable for trip planning.
Need a broader view? See the UK weather hub or compare conditions with nearby Bristol weather.