Sunday
Light rain shower
High: 20°C
(68°F)
Wind: SSW at 18 mph (29 km/h)
Humidity: 60%
55% chance of showers
Portsmouth Weather - Extended Forecast
Regional Forecast
Monday
More sunshine and showers developing, some being heavy once again. Winds strengthen again through the morning, mostly around the coasts, before dying into the late evening. temperatures near average. Maximum temperature 21°C.
Outlook For Tuesday To Thursday
The unsettled theme continues for the start of Autumn with further showers and longer spells of rain. Some brief drier periods are possible as well.
Daily Forecast
Sunday Night
Clear sky
Low: 16°C
(61°F)
Wind: SSW at 13 mph (21 km/h)
Humidity: 75%
40% chance of showers
Monday
Thundery shower
High: 20°C
(68°F)
Wind: SW at 18 mph (29 km/h)
Humidity: 68%
60% chance of showers
Monday Night
Partly cloudy
Low: 16°C
(61°F)
Wind: WSW at 11 mph (18 km/h)
Humidity: 79%
35% chance of showers
Tuesday
Heavy rain shower
High: 18°C
(64°F)
Wind: SSW at 22 mph (35 km/h)
Humidity: 84%
70% chance of showers
Tuesday Night
Cloudy
Low: 16°C
(61°F)
Wind: WSW at 18 mph (29 km/h)
Humidity: 87%
35% chance of showers
Wednesday
Light rain shower
High: 19°C
(66°F)
Wind: SW at 20 mph (32 km/h)
Humidity: 78%
35% chance of showers
Wednesday Night
Partly cloudy
Low: 16°C
(61°F)
Wind: SW at 16 mph (26 km/h)
Humidity: 87%
35% chance of showers
Thursday
Light rain shower
High: 19°C
(66°F)
Wind: SW at 20 mph (32 km/h)
Humidity: 76%
40% chance of showers
Thursday Night
Clear sky
Low: 15°C
(59°F)
Wind: WSW at 16 mph (26 km/h)
Humidity: 87%
30% chance of showers