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Portsmouth, Portsmouth

16 Day Weather Forecast

Overview

Conditions appear variable for most of the period. Some rain is set to develop, but dry spells will also feature.

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

Warm or very warm conditions are probable on, with daytime highs in the mid-to-upper 20s. Peak warmth is set to develop on Wednesday 29 July, with highs around 26°C. Even overnight lows remain mild, with Saturday 1 August seeing the lowest at 13°C.

Rainfall totals could be significant, with around 59mm over the period. The wettest conditions are expected on Sunday 9 August.

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
Mon
27 Jul
Weather 22°C Wind direction 16mph
Tue
28 Jul
Weather 23°C Wind direction 10mph
Wed
29 Jul
Weather 26°C Wind direction 10mph
Thu
30 Jul
Weather 22°C Wind direction 17mph
Fri
31 Jul
Weather 22°C Wind direction 10mph
Sat
01 Aug
Weather 21°C Wind direction 10mph
Sun
02 Aug
Weather 23°C Wind direction 12mph
Mon
03 Aug
Weather 22°C Wind direction 18mph
Tue
04 Aug
Weather 23°C Wind direction 14mph
Wed
05 Aug
Weather 21°C Wind direction 11mph
Thu
06 Aug
Weather 23°C Wind direction 11mph
Fri
07 Aug
Weather 18°C Wind direction 5mph
Sat
08 Aug
Weather 20°C Wind direction 5mph
Sun
09 Aug
Weather 17°C Wind direction 22mph
Mon
10 Aug
Weather 22°C Wind direction 14mph
Tue
11 Aug
Weather 21°C Wind direction 5mph
Hourly 30 day
Issued: 27/07 07:01 | Help

Graphs

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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