S
M
T
W
T
F
S
26
71°
50°
27
72°
50°
28
70°
50°
29
70°
54°
30
71°
52°
31
70°
50°
1
71°
50°
2
70°
50°
3
71°
50°
4
70°
50°
5
70°
53°
6
69°
54°
7
70°
51°
8
70°
49°
9
71°
51°
10
70°
50°
11
72°
53°
12
75°
54°
13
76°
51°
14
71°
49°
15
69°
48°
16
68°
52°
17
71°
49°
18
70°
51°
19
69°
48°
20
71°
47°
21
69°
48°
22
69°
47°
23
68°
47°
24
68°
48°
25
69°
47°
26
69°
46°
27
67°
46°
28
68°
49°
29
67°
49°
30
66°
47°
31
68°
45°
1
70°
48°
2
67°
50°
3
69°
48°
4
68°
46°
5
64°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Oslo
Oslo's August 2026 forecast shows daily high temperatures ranging from 64° to 76°, with overnight lows between 44° and 54°. The average high for August is 70° with an average low of 49°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Oslo. See also: September | October | November.
