S
M
T
W
T
F
S
26
76°
54°
27
77°
55°
28
77°
55°
29
76°
54°
30
74°
54°
31
72°
52°
1
73°
54°
2
74°
54°
3
77°
53°
4
77°
55°
5
76°
53°
6
71°
52°
7
73°
50°
8
72°
49°
9
73°
51°
10
72°
49°
11
71°
51°
12
71°
50°
13
72°
49°
14
71°
48°
15
70°
52°
16
70°
48°
17
71°
48°
18
70°
47°
19
71°
47°
20
70°
51°
21
68°
47°
22
69°
50°
23
68°
50°
24
67°
48°
25
67°
48°
26
70°
49°
27
71°
49°
28
71°
51°
29
70°
51°
30
72°
45°
31
71°
45°
1
66°
49°
2
70°
50°
3
70°
49°
4
71°
48°
5
69°
48°
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 66° to 77°, with overnight lows between 45° and 55°. The average high for August is 72° with an average low of 50°. 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.
