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Live forecasts update automatically; written guidance last reviewed 20 June 2026 by the Civic Affairs weather desk. Data from national met services via Open-Meteo.
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Check the live forecast above for Portsmouth’s latest conditions and plan ahead. The city’s coastal position on the Solent means it often sees milder winters and cooler summers than inland areas, but sea breezes and rain can arrive quickly.
What is the typical weather in Portsmouth?
Portsmouth has a temperate maritime climate. Winters are generally mild, with average lows around 3°C, while summers see highs near 20°C, moderated by the sea. Rainfall is spread fairly evenly across the year, although October and November tend to be the wettest months. The city can experience sea fog and strong winds, especially during autumn and spring.
How should you prepare for changing conditions?
The live forecast above gives you the immediate outlook. For planning further ahead, check the 10-day forecast for Portsmouth or longer-term outlooks such as the weather in Portsmouth 14 day forecast or the portsmouth weather 30 days projection. These help with travel or outdoor arrangements. Keep a light waterproof jacket handy, as showers can be short-lived but frequent.
Does Portsmouth get much snow?
Snowfall is rare and usually light, because the city’s coastal position keeps temperatures just above freezing in most winter spells. Any snow that does settle typically melts within a day.
Is the portsmouth weather bbc forecast reliable?
BBC Weather uses Met Office data and is a trusted source for Portsmouth. For the most detailed warnings and observations, the Met Office itself is the official authority.
Can I see the weather in Portsmouth tomorrow?
Yes, the live forecast above includes tomorrow’s outlook. You can also check the met office weather portsmouth page or the BBC for hourly breakdowns.
Sources
For a broader view of conditions across the country, visit our UK weather hub. If you are comparing cities, see the Bristol Weather page for another coastal example.