Our 14 day weather forecast for Portsmouth becomes more accurate the closer to the date of your visit, so always be sure to check in frequently for any weather updates.

Portsmouth 14 day forecast

Date	Temperatures		Wind
Saturday, September 19	19 ° / 17 °	Patchy rain possible	32 Km/h
Sunday, September 20	19 ° / 16 °	Light rain shower	12 Km/h
Monday, September 21	20 ° / 15 °	Partly cloudy	5 Km/h
Tuesday, September 22	19 ° / 17 °	Clear	10 Km/h
Wednesday, September 23	22 ° / 17 °	Overcast	8 Km/h
Thursday, September 24	19 ° / 16 °	Overcast	18 Km/h
Friday, September 25	20 ° / 17 °	Partly cloudy	18 Km/h
Saturday, September 26	20 ° / 18 °	Clear	11 Km/h
Sunday, September 27	20 ° / 17 °	Partly cloudy	4 Km/h
Monday, September 28	20 ° / 17 °	Cloudy	18 Km/h
Tuesday, September 29	20 ° / 16 °	Overcast	6 Km/h
Wednesday, September 30	21 ° / 19 °	Overcast	14 Km/h
Thursday, October 1	21 ° / 18 °	Light rain shower	12 Km/h
Friday, October 2	20 ° / 17 °	Patchy rain possible	17 Km/h
Further Ahead

Portsmouth 14 days – weather graph

The weather in Portsmouth for the next 14 days - FAQ

What will the temperature be in Portsmouth during the next 14 days?

The temperature will range between 22° C and 19° C. The hottest day in the next 2 weeks will be on September 23 and the coldest on September 19.

Will it rain at Portsmouth in the next 14 days?

Yes, there will be around 3 days with rain and an overall rainfall of 1.1 mm.

Can I see more details about the weather in Portsmouth on a specific day?

Yes, you can click on any of the days in the gallery above, or check today and tomorrow weather in Portsmouth's pages.

Do you have a weather forecast for Portsmouth for more than 14 days?

You can check the Portsmouth long range weather page, it is not a forecast, but it can give you an idea of how the weather in Portsmouth will be like (based on past weather information).

More about the weather in Portsmouth