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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the ScopePress weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
According to the live forecast above, Portland’s expected range is 9–13°C with intermittent showers. This means a cool, unsettled day typical for the island, with the Met Office advising that wind and sea conditions can change quickly around Portland Harbour.
What is the weather trend for Portland over the next 14 days?
The weather Portland Dorset 14 days outlook shows a pattern of Atlantic fronts bringing rain every few days, with temperatures hovering near 10–14°C. The Met Office for Portland indicates low confidence beyond day 7 due to variability in wind direction; you can check the 10 Day Weather Forecast UK for the latest updates.
How does Portland’s coastal location affect its forecast?
Portland’s exposed position means the met office weather Weymouth and Portland often highlight stronger winds and lower visibility near Portland Harbour. The live forecast above captures this with a UV index of 2–3 and moderate breeze. For harbour-specific conditions, the Bristol Weather page offers regional context for the south-west coast.
Does the Met Office issue specific warnings for Portland Harbour?
Yes, the met office Portland Harbour advice includes small-craft and gale warnings when winds exceed force 6. Always check the live forecast above before venturing out, as conditions can change within an hour.
What is the long-range outlook for Portland this month?
The long range weather Portland Dorset tends to stay mild but damp through late autumn, with occasional drier spells between low-pressure systems. The Met Office’s 30-day outlook suggests near-average temperatures and slightly above-average rainfall.
Can I trust the live forecast above for Portland’s harbour activities?
The live forecast above draws on Met Office data and is suitable for planning, but always cross-check with the met office weather Weymouth and Portland harbour-specific updates for tidal and gust details. It is reliable for general day-to-day use.
Further reading: UK Weather Hub • Glasgow Weather