Portsmouth Weather - Extended Forecast

Regional Forecast

Saturday

Cloudy and wet with rain becoming heavy at times. Windy to start with fairly widespread strong winds during the middle of the day. Maximum temperature 12°C.

Outlook For Sunday To Tuesday

Sunday, turning drier and brighter but chilly. Winds gradually easing. Monday, further wet and windy conditions moving east. Tuesday, showers at first then dry and sunny.

Daily Forecast

Friday

Partly cloudy

Partly cloudy

High: 13°C
(55°F)

Wind: WSW at 11 mph (18 km/h)

Humidity: 77%

0% chance of showers

Friday Night

Light rain

Light rain

Low: 11°C
(52°F)

Wind: SW at 11 mph (18 km/h)

Humidity: 85%

80% chance of showers

Saturday

Light rain

Light rain

High: 12°C
(54°F)

Wind: WSW at 16 mph (26 km/h)

Humidity: 79%

90% chance of showers

Saturday Night

Clear sky

Clear sky

Low: 5°C
(41°F)

Wind: WNW at 11 mph (18 km/h)

Humidity: 84%

5% chance of showers

Sunday

Sunny

Sunny

High: 8°C
(46°F)

Wind: WNW at 11 mph (18 km/h)

Humidity: 64%

1% chance of showers

Sunday Night

Light rain

Light rain

Low: 7°C
(45°F)

Wind: SW at 18 mph (29 km/h)

Humidity: 74%

85% chance of showers

Monday

Heavy rain

Heavy rain

High: 12°C
(54°F)

Wind: SSW at 31 mph (50 km/h)

Humidity: 91%

95% chance of showers

Monday Night

Heavy rain

Heavy rain

Low: 9°C
(48°F)

Wind: SW at 20 mph (32 km/h)

Humidity: 89%

90% chance of showers

Tuesday

Light rain shower

Light rain shower

High: 11°C
(52°F)

Wind: SW at 18 mph (29 km/h)

Humidity: 77%

40% chance of showers

Tuesday Night

Partly cloudy

Partly cloudy

Low: 9°C
(48°F)

Wind: SW at 13 mph (21 km/h)

Humidity: 84%

40% chance of showers