Weather in Portsmouth, United Kingdom 🇬🇧
Portsmouth currently sits at 18°C, overcast, feeling like 16°C. Relative humidity is 72%, with winds around 19 km/h, and the UV index is 1 (low). Over the next few days, temperatures in Portsmouth range from about 16°C to 21°C.
Hourly Forecast for Portsmouth
14-Day Forecast for Portsmouth
Overcast
Patchy rain nearby
Patchy rain nearby
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Overcast
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Overcast
Sunny
Sunny
Sunny
Partly Cloudy
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Overcast
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Additional Forecasts for Portsmouth
Air Quality
Historical Weather
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Best Time to Be Outside in Portsmouth Today
The most comfortable window in Portsmouth today looks like 14:00 to 17:00, when it is around 19°C. It should stay dry through that window. No significant rain is expected in the next several hours.
Frequently Asked Questions about Weather in Portsmouth
What is the temperature in Portsmouth right now?
It is currently 18°C (65°F) in Portsmouth, overcast (feels like 16°C).
What's the weather like in Portsmouth right now?
Conditions in Portsmouth right now: Overcast, humidity 72%, wind 19 km/h WSW.
What is today's forecast for Portsmouth?
Today in Portsmouth: high 19°C, low 17°C, overcast. Chance of rain: 38%.
What is the 7-day weather forecast for Portsmouth?
Daily highs and lows for Portsmouth:
- 2026-09-02: 19°C / 17°C
- 2026-09-03: 21°C / 18°C
- 2026-09-04: 21°C / 16°C
- 2026-09-05: 19°C / 13°C
- 2026-09-06: 19°C / 16°C
- 2026-09-07: 22°C / 18°C
- 2026-09-08: 20°C / 15°C
Is it going to rain in Portsmouth today?
There is a 38% chance of rain in Portsmouth today. Total expected precipitation: 0.28 mm.
What is the wind speed in Portsmouth right now?
Wind in Portsmouth is currently 19 km/h (12 mph) from the WSW.
What is the UV index in Portsmouth right now?
The UV index in Portsmouth is currently 0.7 (low). Sun protection is recommended when the index is 3 or higher.
