Weather tomorrow
°C °F
September 20, 2026
Sunday
16°
0 mm
16°
0.6 mm
19°
0 mm
17°
0 mm

The local weather in Portsmouth tomorrow

Sunday, 20 September 2026

The weather tomorrow in Portsmouth will be comfortable with temperatures around 19°C. During the evening and night time the temperatures will drop to 16°C.

For deep dive information check out our hourly weather forecast for tomorrow down the page.

Tomorrow's hourly weather in Portsmouth

00:0003:0006:0009:0012:0015:0018:0021:00
Temperature18°C18°C17°C16°C16°C18°C19°C17°C
Weather
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Light rain shower
Overcast
Overcast
Overcast
Chance of rain31%30%26%24%61%20%17%24%
Precipitation0 mm0.1 mm0 mm0 mm0.6 mm0 mm0 mm0 mm
Humidity92%91%80%78%85%73%69%81%
Wind24Km/h20Km/h20Km/h16Km/h13Km/h13Km/h13Km/h12Km/h
Wind Gust36Km/h33Km/h33Km/h26Km/h18Km/h18Km/h23Km/h15Km/h
Wind Degree256°
283°
281°
293°
291°
289°
223°
265°
Wind DirectionWSWWNWWNWWNWWNWWNWSWW
Cloud Cover100%74%96%100%100%100%98%100%
UV Index00013200
Visibility10 Km10 Km10 Km10 Km10 Km10 Km10 Km10 Km

Portsmouth tomorrow weather

Morning

The temperature in Portsmouth tomorrow in the early morning is 17°C.

If you take into account factors such as wind, humidity and other weather conditions, the temperatures can feel like 17°C.

The chance of rain in Portsmouth in the morning is 26%, and the wind will blow at 20km/h.

Noon

The temperature in Portsmouth tomorrow at noon time is 16°C and it will feel like 16°C. The humidity will be around 85% with wind speed of 13km/h.

Evening

The temperature in Portsmouth tomorrow's evening will get to 18°C.

The chance of rain in Portsmouth in the evening time is 20%, with wind speed of 13km/h.

Night

The night temperature in Portsmouth tomorrow is 17°C with a wind speed of 12km/h.

The weather in Portsmouth tomorrow - FAQ

What is the weather tomorrow in Portsmouth?
The wather forecast for tomorrow in Portsmouth is mostly patchy rain possible.
What is tomorrow's highest and lowest temperature in Portsmouth?
The temperature tomorrow in Portsmouth will range between 16° and 19°.
Will it be raining tomorrow in Portsmouth?
The chance of rain tomorrow in Portsmouth is 61%.
Will it be windy tomorrow in Portsmouth?
The wind will blow between 12 Km/h to 24 Km/h tomorrow in Portsmouth.
How many hours of sunlight tomorrow in Portsmouth?
There will be 0 hours of sun tomorrow in Portsmouth.
What time is the sunrise and sunset tomorrow in Portsmouth?
The sun will rise at 06:47 and set at 19:07.

Clothing recommendation for Portsmouth

Sunday, 20 September 2026
Warm Sweaters
Long Pants

Sunrise and sunset time in Portsmouth tomorrow

What time is the sunset and sunrise in Portsmouth tomorrow? The sun will rise at 06:47 and will set at 19:07. There will be 0 hours of sunlight in Portsmouth.

Sunrise
06:47
Sunset
19:07
More about the weather in Portsmouth