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Will it be hot in Portsmouth, Hampshire?

The heat forecast percentage is calculated by combining data from several computer models.

Short range 21°C

Will temperatures climb to or above 21°C today, tomorrow or the day after?

Sun 16 Aug
95%

Mon 17 Aug
95%

Tue 18 Aug
85%

Medium range 21°C

Will temperatures climb to or above 21°C during the following ten days?

Wed 19 Aug
73%
Thu 20 Aug
79%
Fri 21 Aug
52%
Sat 22 Aug
48%
Sun 23 Aug
70%
Mon 24 Aug
58%
Tue 25 Aug
64%
Wed 26 Aug
58%
Thu 27 Aug
58%
Fri 28 Aug
61%

Short range 25°C

Will temperatures climb to or above 25°C today, tomorrow or the day after?

Sun 16 Aug
95%

Mon 17 Aug
95%

Tue 18 Aug
85%

Medium range 25°C

Will temperatures climb to or above 25°C during the following ten days?

Wed 19 Aug
0%
Thu 20 Aug
0%
Fri 21 Aug
0%
Sat 22 Aug
0%
Sun 23 Aug
3%
Mon 24 Aug
12%
Tue 25 Aug
12%
Wed 26 Aug
6%
Thu 27 Aug
0%
Fri 28 Aug
3%

Short range 30°C

Will temperatures climb to or above 30°C today, tomorrow or the day after?

Sun 16 Aug
0%

Mon 17 Aug
0%

Tue 18 Aug
0%

Medium range 30°C

Will temperatures climb to or above 30°C during the following ten days?

Wed 19 Aug
0%
Thu 20 Aug
0%
Fri 21 Aug
0%
Sat 22 Aug
0%
Sun 23 Aug
0%
Mon 24 Aug
0%
Tue 25 Aug
0%
Wed 26 Aug
0%
Thu 27 Aug
0%
Fri 28 Aug
0%

Other will it forecasts

Portsmouth, Hampshire frost

Portsmouth, Hampshire rain

Portsmouth, Hampshire snow

Portsmouth, Hampshire heat

Portsmouth, Hampshire thunder

Full weather forecast

Next 3 days hour by hour

Portsmouth, Hampshire hourly

Next 16 days in 3 hour intervals

Portsmouth, Hampshire 16 day

Select location

UK postcode or place

Information

The heat forecast updates four times each day.

It combines data from the Meteo France Arpege, NCEP Global Forecast System (GFS) and NCEP Global Ensemble Forecast System (GEFS).

If you would like more in-depth information check our extensive range of Numerical Weather Prediction model data

To check the complete weather forecast use the Place, postcode or geolocation options in the header.