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Portsmouth, Portsmouth

16 Day Weather Forecast

Overview

Conditions appear variable for most of the period. Dry conditions should prevail for the majority of days.

The overall trend is for daytime temperatures to fall through the period.

Warm or very warm conditions are forecast on, with daytime highs in the mid-to-upper 20s. Peak warmth is forecast on Wednesday 22 July, with highs around 29°C. Even overnight lows remain mild, with Tuesday 21 July seeing the lowest at 13°C.

Gusty conditions are expected around Sunday 12 July, with winds reaching 47mph. Light to moderate rainfall is signalled, totalling around 17mm over the period.

These forecasts use interpolation to improve accuracy for your specific location, and are powered by either ECMWF or GFS model data depending on your selection. As with all weather forecasts, confidence decreases rapidly beyond 5 days ahead — treat the later dates as a heads-up about possible conditions rather than a firm prediction.

If you have a moment, please let us know what you think.

Read more

Date Weather Temp Wind
Fri
10 Jul
Weather 25°C Wind direction 12mph
Sat
11 Jul
Weather 25°C Wind direction 14mph
Sun
12 Jul
Weather 26°C Wind direction 18mph
Mon
13 Jul
Weather 25°C Wind direction 19mph
Tue
14 Jul
Weather 26°C Wind direction 16mph
Wed
15 Jul
Weather 26°C Wind direction 16mph
Thu
16 Jul
Weather 26°C Wind direction 10mph
Fri
17 Jul
Weather 24°C Wind direction 10mph
Sat
18 Jul
Weather 23°C Wind direction 7mph
Sun
19 Jul
Weather 22°C Wind direction 11mph
Mon
20 Jul
Weather 24°C Wind direction 5mph
Tue
21 Jul
Weather 26°C Wind direction 7mph
Wed
22 Jul
Weather 28°C Wind direction 10mph
Thu
23 Jul
Weather 27°C Wind direction 18mph
Fri
24 Jul
Weather 26°C Wind direction 17mph
Sat
25 Jul
Weather 23°C Wind direction 18mph
Hourly 30 day
Issued: 10/07 13:23 | Help

Graphs

Select variable/s, graph type and plot

Max temp Min temp Surface Pressure Wind speed Wind gust
Rain total Freezing level Cloud cover Humidity

High impact weather

Assess the chance of frost, strong winds, heavy rain, and snow based on the data utilised in this forecast.

Will it forecasts

Data from different computer models is blended to increase accuracy.

Will it rain in Portsmouth, Portsmouth

Will it be hot in Portsmouth, Portsmouth

Will it snow in Portsmouth, Portsmouth

Will it be frosty in Portsmouth, Portsmouth

Will it thunder in Portsmouth, Portsmouth

MOGREPS-G forecast

Forecast charts using data from the UK Met Office MOGREPS-G ensemble model.

Information about MOGREPS-G.

GEFS forecast

Forecast charts using data from the NCEP GEFS ensemble model.

Sun & Moon Calendar for Portsmouth, Portsmouth

View complete sun & moon times, phases and celestial data for Portsmouth, Portsmouth