10-Day Weather Forecast for Portsmouth

Six-hourly outlook through Wednesday 29 July. Updated every three hours via MET Norway.

Day
Night
02:00
Morning
08:00
Afternoon
14:00
Evening
20:00
Monday
20 Jul
Cloudy
27°C (81°F)
0.1 mm (0 in)
Cloudy
29°C (84°F)
0.1 mm (0 in)
Cloudy
27°C (81°F)
0 mm (0 in)
Hourly ›
Tuesday
21 Jul
Partly cloudy
26°C (79°F)
0 mm (0 in)
Mostly sunny
27°C (81°F)
0 mm (0 in)
Mostly sunny
30°C (86°F)
0 mm (0 in)
Clear skies
27°C (81°F)
0 mm (0 in)
Hourly ›
Wednesday
22 Jul
Clear skies
26°C (79°F)
0 mm (0 in)
Mostly sunny
27°C (81°F)
0.2 mm (0.01 in)
Clear skies
30°C (86°F)
0.1 mm (0 in)
Clear skies
27°C (81°F)
0 mm (0 in)
Hourly ›
Thursday
23 Jul
Clear skies
27°C (81°F)
0 mm (0 in)
Clear skies
27°C (81°F)
0 mm (0 in)
Clear skies
29°C (84°F)
0.1 mm (0 in)
Light rain showers
28°C (82°F)
0.7 mm (0.03 in)
Hourly ›
Friday
24 Jul
Light rain showers
26°C (79°F)
0.7 mm (0.03 in)
Clear skies
27°C (81°F)
0.2 mm (0.01 in)
Partly cloudy
27°C (81°F)
0.2 mm (0.01 in)
Light rain showers
27°C (81°F)
0.8 mm (0.03 in)
Hourly ›
Saturday
25 Jul
Rain showers
26°C (79°F)
1 mm (0.04 in)
Light rain showers
26°C (79°F)
0.6 mm (0.02 in)
Mostly sunny
29°C (84°F)
0.5 mm (0.02 in)
Partly cloudy
27°C (81°F)
0.2 mm (0.01 in)
Hourly ›
Sunday
26 Jul
Mostly clear
26°C (79°F)
0.4 mm (0.02 in)
Light rain showers
27°C (81°F)
0.6 mm (0.02 in)
Rain showers
28°C (82°F)
1.4 mm (0.1 in)
Partly cloudy
27°C (81°F)
0.3 mm (0.01 in)
Hourly ›
Monday
27 Jul
Partly cloudy
27°C (81°F)
0.4 mm (0.02 in)
Rain showers
27°C (81°F)
2.6 mm (0.1 in)
Rain
27°C (81°F)
2.8 mm (0.1 in)
Partly cloudy
26°C (79°F)
0.4 mm (0.02 in)
Hourly ›
Tuesday
28 Jul
Cloudy
27°C (81°F)
0.2 mm (0.01 in)
Light rain showers
27°C (81°F)
0.9 mm (0.04 in)
Mostly sunny
29°C (84°F)
0.1 mm (0 in)
Rain showers
27°C (81°F)
1 mm (0.04 in)
Hourly ›
Wednesday
29 Jul
Light rain
26°C (79°F)
0.7 mm (0.03 in)
Hourly ›
Data from MET Norway · Updated every three hours.

What's the weather in Portsmouth this week?

Today's weather - Monday 20 Jul

For Monday the predicted weather in Portsmouth is cloudy with some rain. The maximum temperature is a warm 29°C (84°F), while the minimum temperature is a warm 27°C (81°F).

Tomorrow's weather - Tuesday 21 Jul

The forecast for Portsmouth on Tuesday is mostly sunny. Temperatures will range from a warm 26°C (79°F) to a warm 30°C (86°F).

10-Day Weather Forecast

During the next 10 days, temperatures will remain fairly stable, with average highs of 29°C (84°F) and lows of 26°C (79°F). Compared to typical July conditions, these temperatures are typical. There will be some sunshine throughout this time. Rain amounts are forecast to be less than usual (relative to standard July patterns), with some rainy days. Precipitation is likely on approximately 4 days (Fri, Sat, Sun, Mon).

Weather Forecast FAQ for Portsmouth

When will be the warmest day next week?

The warmest day is expected to be Tuesday with a high of 30°C (86°F).

When will be the coldest day?

The coldest day is forecasted for Friday with a low of 26°C (79°F).

Will it rain next week in Portsmouth?

Yes, rain is expected on 4 days , specifically on Fri, Sat, Sun, Mon.

How much rainfall is expected next week?

A total of 14 mm (0.6 in) of rain is forecasted for the 10-day period.

What will be the temperature range next week?

Temperatures will range from 26°C (79°F) to 30°C (86°F).

More about Portsmouth

Explore the full Portsmouth climate overview with monthly averages, or check rainfall data and temperature by month.

Portsmouth weather by month

Browse monthly averages for Portsmouth: climate by month with temperature, rainfall and sunshine.