TODAY'S WEATHER

UK overview map

NEWSLETTER

Daily weather by email



Will it be hot in Portsmouth, Portsmouth?

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?

Fri 11 Sep
48%

Sat 12 Sep
95%

Sun 13 Sep
85%

Medium range 21°C

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

Mon 14 Sep
91%
Tue 15 Sep
88%
Wed 16 Sep
33%
Thu 17 Sep
24%
Fri 18 Sep
21%
Sat 19 Sep
33%
Sun 20 Sep
48%
Mon 21 Sep
58%
Tue 22 Sep
58%

Short range 25°C

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

Fri 11 Sep
0%

Sat 12 Sep
0%

Sun 13 Sep
0%

Medium range 25°C

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

Mon 14 Sep
33%
Tue 15 Sep
21%
Wed 16 Sep
3%
Thu 17 Sep
0%
Fri 18 Sep
0%
Sat 19 Sep
0%
Sun 20 Sep
0%
Mon 21 Sep
0%
Tue 22 Sep
6%

Short range 30°C

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

Fri 11 Sep
0%

Sat 12 Sep
0%

Sun 13 Sep
0%

Medium range 30°C

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

Mon 14 Sep
0%
Tue 15 Sep
0%
Wed 16 Sep
0%
Thu 17 Sep
0%
Fri 18 Sep
0%
Sat 19 Sep
0%
Sun 20 Sep
0%
Mon 21 Sep
0%
Tue 22 Sep
0%

Other will it forecasts

Portsmouth, Portsmouth frost

Portsmouth, Portsmouth rain

Portsmouth, Portsmouth snow

Portsmouth, Portsmouth heat

Portsmouth, Portsmouth thunder

Full weather forecast

Next 3 days hour by hour

Portsmouth, Portsmouth hourly

Next 16 days in 3 hour intervals

Portsmouth, Portsmouth 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.