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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the The UK Daily weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
You’ll want to keep an eye on the live forecast above before heading out in Portsmouth today, as conditions are set to shift through the day. A mix of bright spells and scattered showers is expected, typical for this time of year on the south coast.
What’s the outlook for Portsmouth this week?
The coming days bring a familiar blend of sunshine and cloud, with the chance of a few heavier bursts midweek. Temperatures will hover near seasonal averages, so a light jacket and an umbrella are sensible companions. For a broader look, our 10-day forecast for the UK gives you the full picture, while the UK weather hub offers daily updates for other regions.
Will it stay dry for the weekend?
Saturday looks largely fine with some decent sunny intervals, though Sunday may see more cloud and a spot of rain pushing in from the west. If you’re planning outdoor plans, Saturday morning is your best bet. For those curious about conditions further ahead, the weather in Portsmouth 10 days and Portsmouth weather 15 days outlooks suggest a return to drier, settled weather early next week.
What’s the weather in Portsmouth tomorrow?
Tomorrow will bring a dry start with hazy sunshine, turning cloudier by midday. A band of light rain may arrive by late afternoon, with highs around 12°C. Check the weather in Portsmouth tomorrow details in the live forecast above for hourly updates.
Is there a 14-day forecast for Portsmouth?
Yes, the Portsmouth weather 14 day forecast indicates a generally unsettled first week, followed by more settled conditions with lighter winds and drier skies into week two. For longer-term trends, the Portsmouth weather 30 days outlook suggests a gradual warming trend.
Where can I find the Met Office weather for Portsmouth?
The Met Office weather Portsmouth page gives official warnings and detailed hourly data. For a quick overview, the Portsmouth weather BBC service also provides reliable updates. Both are linked in the sources below.