Average data for 10 years
1 August
Thursday
+19°
+16°
2 August
Friday
+19°
+17°
3 August
Saturday
+19°
+16°
4 August
Sunday
+19°
+16°
5 August
Monday
+19°
+16°
6 August
Tuesday
+20°
+16°
7 August
Wednesday
+19°
+16°
8 August
Thursday
+19°
+16°
9 August
Friday
+18°
+16°
10 August
Saturday
+19°
+16°
11 August
Sunday
+19°
+16°
12 August
Monday
+19°
+16°
13 August
Tuesday
+18°
+16°
14 August
Wednesday
+19°
+15°
15 August
Thursday
+19°
+16°
16 August
Friday
+19°
+16°
17 August
Saturday
+18°
+16°
18 August
Sunday
+19°
+16°
19 August
Monday
+19°
+16°
20 August
Tuesday
+18°
+16°
21 August
Wednesday
+19°
+16°
22 August
Thursday
+19°
+16°
23 August
Friday
+18°
+16°
24 August
Saturday
+19°
+16°
25 August
Sunday
+19°
+17°
26 August
Monday
+19°
+16°
27 August
Tuesday
+19°
+16°
28 August
Wednesday
+19°
+16°
29 August
Thursday
+18°
+15°
30 August
Friday
+19°
+16°
31 August
Saturday
+18°
+15°
Cities near you
France
Paris
United Kingdom
London
United Kingdom
Birmingham
United Kingdom
Manchester
United Kingdom
Plymouth
Cities with similar weather in August
Finland
Helsinki
Latvia
Riga
Estonia
Tallinn
Sweden
Stockholm
Norway
Oslo
In August, the weather in Portsmouth is typically warm. Average daily high temperature in August is about 19 degrees above zero. On average, Portsmouth has 11 rainy, 9 partly cloudy, 7 sunny, and 4 cloudy days in August. The rains are usually moderate.