10-Day Weather Forecast for Portsmouth

Six-hourly outlook through Saturday 25 July. Updated every three hours via MET Norway.

Day
Night
02:00
Morning
08:00
Afternoon
14:00
Evening
20:00
Thursday
16 Jul
Mostly sunny
27°C (81°F)
0.1 mm (0 in)
Mostly sunny
29°C (84°F)
0.1 mm (0 in)
Partly cloudy
27°C (81°F)
0.5 mm (0.02 in)
Hourly ›
Friday
17 Jul
Light rain showers
27°C (81°F)
0.9 mm (0.04 in)
Partly cloudy
27°C (81°F)
0.4 mm (0.02 in)
Rain
28°C (82°F)
1.7 mm (0.1 in)
Rain
26°C (79°F)
2.2 mm (0.1 in)
Hourly ›
Saturday
18 Jul
Partly cloudy
27°C (81°F)
0.2 mm (0.01 in)
Mostly sunny
27°C (81°F)
0 mm (0 in)
Partly cloudy
29°C (84°F)
0.4 mm (0.02 in)
Cloudy
26°C (79°F)
0 mm (0 in)
Hourly ›
Sunday
19 Jul
Cloudy
27°C (81°F)
0 mm (0 in)
Cloudy
28°C (82°F)
0.5 mm (0.02 in)
Partly cloudy
29°C (84°F)
0.4 mm (0.02 in)
Partly cloudy
27°C (81°F)
0.2 mm (0.01 in)
Hourly ›
Monday
20 Jul
Cloudy
27°C (81°F)
0.4 mm (0.02 in)
Partly cloudy
27°C (81°F)
0 mm (0 in)
Partly cloudy
29°C (84°F)
0.1 mm (0 in)
Partly cloudy
27°C (81°F)
0 mm (0 in)
Hourly ›
Tuesday
21 Jul
Clear skies
27°C (81°F)
0 mm (0 in)
Partly cloudy
27°C (81°F)
0.1 mm (0 in)
Clear skies
29°C (84°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)
Clear skies
27°C (81°F)
0.3 mm (0.01 in)
Mostly sunny
29°C (84°F)
0.2 mm (0.01 in)
Clear skies
27°C (81°F)
0 mm (0 in)
Hourly ›
Thursday
23 Jul
Clear skies
27°C (81°F)
0.1 mm (0 in)
Mostly sunny
27°C (81°F)
0.2 mm (0.01 in)
Clear skies
29°C (84°F)
0.4 mm (0.02 in)
Light rain showers
27°C (81°F)
0.7 mm (0.03 in)
Hourly ›
Friday
24 Jul
Rain
27°C (81°F)
1.2 mm (0.05 in)
Light rain
26°C (79°F)
0.8 mm (0.03 in)
Rain
29°C (84°F)
1.3 mm (0.1 in)
Rain showers
27°C (81°F)
1.6 mm (0.1 in)
Hourly ›
Saturday
25 Jul
Rain showers
27°C (81°F)
2.6 mm (0.1 in)
Hourly ›
Data from MET Norway · Updated every three hours.

What's the weather in Portsmouth this week?

Today's weather - Thursday 16 Jul

For Thursday the predicted weather in Portsmouth is mostly sunny 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 - Friday 17 Jul

The forecast for Portsmouth on Friday is rain throughout the day. Temperatures will range from a warm 26°C (79°F) to a warm 28°C (82°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 27°C (81°F). Compared to typical July conditions, these temperatures are typical. There will be plenty of sunshine throughout this time. Rain amounts are forecast to be less than usual (relative to standard July patterns), with mixed conditions. Precipitation is likely on approximately 3 days (Fri, Sun, Thu).

Weather Forecast FAQ for Portsmouth

When will be the warmest day next week?

The warmest day is expected to be Monday with a high of 29°C (84°F).

When will be the coldest day?

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

Will it rain next week in Portsmouth?

Yes, rain is expected on 3 days , specifically on Fri, Sun, Thu.

How much rainfall is expected next week?

A total of 10 mm (0.4 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 29°C (84°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.