S
M
T
W
T
F
S
26
72°
53°
27
72°
49°
28
72°
51°
29
73°
53°
30
75°
49°
31
72°
56°
1
77°
51°
2
73°
51°
3
72°
52°
4
72°
51°
5
73°
52°
6
71°
51°
7
71°
53°
8
72°
51°
9
71°
50°
10
71°
51°
11
72°
51°
12
70°
53°
13
73°
48°
14
72°
52°
15
70°
48°
16
70°
48°
17
71°
49°
18
73°
53°
19
74°
51°
20
69°
51°
21
73°
50°
22
74°
52°
23
75°
52°
24
73°
51°
25
73°
50°
26
72°
51°
27
66°
47°
28
69°
46°
29
71°
45°
30
70°
46°
31
71°
48°
1
67°
46°
2
69°
45°
3
68°
44°
4
65°
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 77°, with overnight lows between 44° and 56°. The average high for August is 71° 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.
