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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Evening Ledger weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Portland will see south-westerly winds strengthening through the evening, with the live forecast above showing a risk of coastal showers and moderate visibility around the harbour.
What is the Met Office forecast for Portland and Weymouth today?
The Met Office outlook for the Isle of Portland and neighbouring Weymouth points to a blustery evening with a 60% chance of rain by midnight. Winds gusting 25–30 mph from the south-west will make the exposed harbour area feel notably cooler than the sheltered side of the island. Temperatures will hover near 8°C after dark, with no significant frost expected overnight.
Will the weather affect Portland harbour conditions?
Yes — a freshening south-westerly breeze will create a moderate chop in Portland harbour, making small-boat handling more difficult after dusk. Those checking the met office portland harbour updates should note that the tidal flow adds extra turbulence near the harbour entrance. The wind is likely to ease by mid-morning tomorrow, according to the weather portland dorset 14 days outlook.
What is the long range weather for Portland dorset?
The long range weather portland dorset shows a turning trend: a ridge of high pressure builds from Thursday, bringing drier but cloudier conditions. Winds should drop to light variable through the weekend, with daytime highs near 11°C.
Does the Met Office cover Weymouth and Portland together?
Yes — the met office weather weymouth and portland forecast treats the coastline as a single zone. However, Portland’s exposed cliffs and harbour microclimate often mean slightly stronger winds and patchier cloud than Weymouth Bay sees.
Where can I find a 14-day forecast for Portland?
For a best-guess weather portland dorset 14 days view, the Met Office’s extended outlook and our 10 Day Weather Forecast UK page both offer a reliable broad trend, though day-by-day accuracy drops beyond day 7.
For the broader picture across Britain, visit our UK weather hub or check conditions in Bristol and Glasgow.