Weather in Portsmouth, United Kingdom 🇬🇧
Portsmouth currently sits at 15°C, partly cloudy, feeling like 8°C. Relative humidity is 49%, with winds around 30 km/h, and the UV index is 1 (low). Over the next few days, temperatures in Portsmouth range from about 10°C to 15°C.
Hourly Forecast for Portsmouth
14-Day Forecast for Portsmouth
Overcast
Patchy rain nearby
Patchy rain nearby
Patchy rain nearby
Patchy rain nearby
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Overcast
Patchy rain nearby
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Sunny
Overcast
Sunny
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Additional Forecasts for Portsmouth
Air Quality
Historical Weather
Weather Forecasts for Other Cities in United Kingdom
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Best Time to Be Outside in Portsmouth Tomorrow
There is no good daylight window left in Portsmouth today. Tomorrow, the most comfortable window looks like 08:00 to 11:00, when it is around 13°C. It should stay dry through that window. The next likely rain is around 20:00.
Frequently Asked Questions about Weather in Portsmouth
What is the temperature in Portsmouth right now?
It is currently 15°C (58°F) in Portsmouth, partly cloudy (feels like 8°C).
What's the weather like in Portsmouth right now?
Conditions in Portsmouth right now: Partly Cloudy, humidity 49%, wind 30 km/h NNE.
What is today's forecast for Portsmouth?
Today in Portsmouth: high 15°C, low 10°C, overcast. Chance of rain: 58%.
What is the 7-day weather forecast for Portsmouth?
Daily highs and lows for Portsmouth:
- 2026-10-18: 15°C / 10°C
- 2026-10-19: 14°C / 11°C
- 2026-10-20: 15°C / 12°C
- 2026-10-21: 15°C / 10°C
- 2026-10-22: 15°C / 13°C
- 2026-10-23: 15°C / 7°C
- 2026-10-24: 14°C / 9°C
Is it going to rain in Portsmouth today?
There is a 58% chance of rain in Portsmouth today. Total expected precipitation: 2.25 mm.
What is the wind speed in Portsmouth right now?
Wind in Portsmouth is currently 30 km/h (19 mph) from the NNE.
What is the UV index in Portsmouth right now?
The UV index in Portsmouth is currently 0.6 (low). Sun protection is recommended when the index is 3 or higher.
