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
Friday, September 18	33 ° / 21 °	Patchy rain possible	9 Km/h
Saturday, September 19	28 ° / 22 °	Partly cloudy	10 Km/h
Sunday, September 20	30 ° / 21 °	Partly cloudy	10 Km/h
Monday, September 21	31 ° / 22 °	Light rain shower	13 Km/h
Tuesday, September 22	29 ° / 22 °	Light rain shower	6 Km/h
Wednesday, September 23	25 ° / 22 °	Light rain shower	27 Km/h
Thursday, September 24	21 ° / 18 °	Patchy rain possible	12 Km/h
Friday, September 25	25 ° / 16 °	Light rain shower	6 Km/h
Saturday, September 26	25 ° / 17 °	Partly cloudy	11 Km/h
Sunday, September 27	21 ° / 14 °	Clear	5 Km/h
Monday, September 28	25 ° / 13 °	Overcast	8 Km/h
Tuesday, September 29	27 ° / 17 °	Overcast	9 Km/h
Wednesday, September 30	25 ° / 21 °	Moderate or heavy rain shower	8 Km/h
Thursday, October 1	24 ° / 22 °	Patchy rain possible	5 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 33° C and 21° C. The hottest day in the next 2 weeks will be on September 18 and the coldest on September 24.

Will it rain at Portsmouth in the next 14 days?

Yes, there will be around 7 days with rain and an overall rainfall of 17.7 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