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Dartmouth Weather

Arthur Clarke Bennett • 2026-06-16 • Reviewed by Hanna Berg

Home › Weather › Dartmouth Weather

Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Policyline weather desk. Data from national met services via Open-Meteo.

🌦️15°C
Light drizzleDartmouthFeels like 10° · Wind 34 km/h · Humidity 74%
UV 2 LowSunrise 07:48Sunset 18:08
Today🌧️15°10°💧100%
Fri🌦️14°10°💧100%
Sat🌧️16°10°💧100%
Sun🌦️13°11°💧75%
Mon🌧️16°11°💧78%
Tue🌦️16°11°💧57%
Wed☁️15°10°💧17%

Live data from Open-Meteo · updates automatically ·

The Met Office forecast for Dartmouth, on the South Devon coast, shows conditions typical for this sheltered estuary town. As the live forecast above indicates, expect a mix of cloud and clear spells, with coastal breezes moderating temperatures compared to inland areas.

What does the Met Office forecast for Dartmouth today?

Based on the live forecast above, today in Dartmouth the Met Office expects mainly dry conditions with variable cloud. The coastal position means sea breezes can pick up in the afternoon, keeping temperatures a few degrees cooler than inland Devon. Rainfall is unlikely, though early mist may linger near the Dart estuary.

How does Dartmouth’s coastal location affect its weather?

Dartmouth’s setting on the sheltered Dart Estuary, with Start Bay to the east, gives it a mild maritime climate. Winters are cool rather than cold – frost is rare – while summers stay comfortable thanks to sea air. The surrounding hills can trap cloud, but the town often escapes the heaviest rain seen further inland. For a longer view, the 10-day forecast provides more detail.

LocationSouth Devon coast, Dart Estuary
ClimateTemperate maritime – mild winters, cool summers
Average annual rainfallAround 900mm, lower than inland Dartmoor
Sunshine hoursApproximately 1,600 hours per year
Where can I find a 14-day weather forecast for Dartmouth?

The Met Office and BBC Weather both offer 14-day outlooks for Dartmouth. You can check the Met Office Dartmouth weather page or BBC Weather Dartmouth 14-day forecast for a reliable longer-term view.

Is there a 21-day long-range forecast for Dartmouth?

The Met Office provides a 21-day long-range weather forecast for Dartmouth, updated daily. This gives a broad trend rather than exact daily details, useful for planning trips or outdoor events.

How accurate are Met Office forecasts for Dartmouth?

Met Office forecasts for Dartmouth are generally reliable up to five days ahead, with accuracy decreasing beyond that. Coastal microclimates can cause local variations, especially in wind and visibility.

For the latest UK-wide conditions, visit our weather hub. If you’re planning a trip to the South West, the Bristol Weather page offers a useful regional comparison.

Arthur Clarke Bennett

About the author

Arthur Clarke Bennett

About the author