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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Reading Wire weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
For the most reliable and up-to-date forecast for Portland, check the live forecast above from the Met Office, as its detailed local data is the best guide for planning your day along this exposed stretch of Dorset coast.
## What does the Met Office say for Portland now?
The live forecast above gives you the current temperature, wind speed and any rain or sunshine expected. Portland’s weather can change quickly because of its position in the English Channel, so always refer to that feed rather than relying on memory – the Met Office updates it every hour.
## How should you use the Met Office for Portland?
The Met Office issues specific coastal and shipping forecasts for Portland, which are vital if you’re walking the cliffs or sailing from Portland Harbour. For wider context, our 10 Day Weather Forecast UK page shows how conditions develop inland, and you can compare trends with the Bristol Weather page for the South West region.
## Frequently asked questions
Is Portland weather the same as Weymouth?
No – Portland is more exposed, often windier and a few degrees cooler than Weymouth just across the causeway. The Met Office treats them as separate forecast zones.
Can I trust the live forecast above for a day trip?
Yes, it’s drawn directly from the Met Office’s local model. For longer trips, also check the 10-day forecast on our site to spot any dramatic changes.
Why does Portland get so much mist?
Its elevated position and proximity to the Channel mean warm, moist air often meets cooler sea temperatures, creating coastal fog that the Met Office tracks closely.
## Sources