S
M
T
W
T
F
S
26
72°
53°
27
72°
49°
28
72°
51°
29
73°
53°
30
75°
49°
31
73°
48°
1
72°
50°
2
77°
52°
3
78°
52°
4
76°
49°
5
72°
47°
6
73°
47°
7
76°
52°
8
76°
54°
9
74°
55°
10
71°
53°
11
72°
50°
12
70°
48°
13
73°
52°
14
70°
51°
15
70°
48°
16
70°
49°
17
69°
50°
18
69°
47°
19
70°
48°
20
69°
48°
21
68°
50°
22
68°
47°
23
70°
48°
24
71°
51°
25
69°
50°
26
67°
51°
27
69°
49°
28
69°
47°
29
68°
48°
30
70°
51°
31
65°
52°
1
65°
50°
2
68°
44°
3
66°
46°
4
66°
47°
5
68°
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 65° to 78°, with overnight lows between 44° and 55°. 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.
