The long-range forecast for Portsmouth indicates that current temperatures are within the expected ranges for this time of year, aligning closely with the historical average of 26.1 °C. This suggests typical weather patterns without significant deviations.
Select a month and click on a day for more information:
Thursday
Oct 1
24° / 22°
Friday
Oct 2
23° / 17°
Saturday
Oct 3
23° / 17°
Sunday
Oct 4
22° / 16°
Monday
Oct 5
23° / 17°
Tuesday
Oct 6
24° / 18°
Wednesday
Oct 7
25° / 17°
Thursday
Oct 8
21° / 16°
Friday
Oct 9
21° / 15°
Saturday
Oct 10
21° / 16°
Sunday
Oct 11
22° / 16°
Monday
Oct 12
23° / 16°
Tuesday
Oct 13
24° / 17°
Wednesday
Oct 14
23° / 16°
Thursday
Oct 15
22° / 15°
Friday
Oct 16
21° / 13°
Saturday
Oct 17
18° / 12°
Sunday
Oct 18
19° / 11°
Monday
Oct 19
21° / 12°
Tuesday
Oct 20
22° / 13°
Wednesday
Oct 21
23° / 13°
Thursday
Oct 22
22° / 14°
Friday
Oct 23
20° / 14°
Saturday
Oct 24
21° / 14°
Sunday
Oct 25
21° / 13°
Monday
Oct 26
22° / 14°
Tuesday
Oct 27
20° / 15°
Wednesday
Oct 28
19° / 14°
Thursday
Oct 29
22° / 16°
Friday
Oct 30
21° / 14°
Saturday
Oct 31
20° / 14°
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.