Portsmouth long range weather forecast

Local time: 07:34 Mist 23 °F

This year's long-range forecast for Portsmouth reveals higher temperatures, peaking at 35°, indicative of a warming trend against the historical average.

See weather calendar ››

Select a month and click on a day for more information

Portsmouth 30 days weather forecast

Check out our estimated 30 days weather forecast for Portsmouth, this data is based on the average weather in Portsmouth in the last few years.

For a more accurate and detailed forecast, check out the 14 day weather for Portsmouth next to the desired date.

Portsmouth long range weather forecast - FAQ

Do you provide 30 days weather forecast for Portsmouth?
You can see the next 30 weather forecast for Portsmouth at the top of the page, the next 14 days (from today) are more accurate, while the other is based on average of previous years.
Can I see the weather forecast for a particular date in Portsmouth?
Sure, you can select the date from the calendar above to view the forecast in Portsmouth on that date.
How accurate is the long-range weather forecast for Portsmouth?
Our long-range weather forecast for Portsmouth is provided by using statistics from previous years. Although we cannot predict the weather months in advance, we can see an average.
Can I see a long-range weather forecast for different countries?
Yes, we provide a 14 day weather forecast and a long-range weather forecast for different countries and cities. You can search for a location in the search box at the top of the page.
Long range
More about the weather in Portsmouth
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