Weather Portsmouth

Last updated 16:05

Daily forecast
Day Weather Maximum Day Temperature Minimum Night Temperature Wind Direction and Speed

Light Cloud

21°C 70°F 17°C 63°F Southerly
6km/h 4mph

Sunny Intervals

20°C 68°F 14°C 57°F South Westerly
27km/h 17mph


19°C 66°F 15°C 59°F South Westerly
24km/h 15mph

Sunny Intervals

20°C 68°F 15°C 59°F South South Westerly
11km/h 7mph

Light Rain Shower

20°C 68°F 16°C 61°F South South Westerly
14km/h 9mph



Sunrise 05:30 Sunset 20:50
Weather forecast details for Friday 1 August. Each column contains hourly forecast details for weather conditions, temperature, wind speed, wind direction, humidity, visibility and pressure.
Time 1900 hours2200 hours0100 hours
0400 hours    
Weather Conditions Light Cloud Light Cloud Light Cloud Light Cloud     
Temperature (°C/°F) 18°C 64°F 18°C 64°F 18°C 64°F 17°C 63°F     
Wind Speed (mph/km/h) 10km/h 6mph South Westerly 5km/h 3mph South South Easterly 6km/h 4mph Southerly 11km/h 7mph Easterly     
Wind Direction SW SSE S E     
Humidity 69% 74% 77% 85%     
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) VG VG G G     
Pressure (Millibars) 1007 1007 1006 1003     

London and South East England

Forecast Summary

  • This Evening and Tonight

    Although some parts may start the night dry, outbreaks of showery rain will affect most places overnight, some of which will be heavy and thundery.

Environmental Summary

UV: 5

UK Range: 1-7

Pollution: Low

UK Range: Low to Very High

Pollen: Moderate

UK Range: Low to Very High

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BBC South Today

BBC South Today Forecast Last updated 15:49, Friday 1 Aug Forecast updated 7 days a week


UK Forecast Last updated 12:39, Friday 1 Aug


Observed at 16:00, Friday 1 August

Not Available

20°C 68°F

23km/h 14mph South Westerly

Humidity: 68%

Visibility: N/A

Pressure: 1008mb, Falling

Observation station: Solent

(Lat: 50.8 | Lon: -1.217)

BBC Weather in association with the Met Office

All times are BST (Europe/London, GMT+0100) unless otherwise stated

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