S
M
T
W
T
F
S
26
77°
47°
27
76°
47°
28
77°
52°
29
78°
53°
30
77°
54°
31
75°
51°
1
74°
48°
2
77°
55°
3
78°
54°
4
72°
50°
5
72°
51°
6
71°
52°
7
75°
53°
8
74°
52°
9
76°
53°
10
71°
52°
11
71°
50°
12
72°
49°
13
70°
49°
14
70°
47°
15
71°
46°
16
69°
47°
17
69°
46°
18
70°
50°
19
69°
49°
20
69°
47°
21
70°
51°
22
71°
50°
23
69°
46°
24
67°
49°
25
67°
52°
26
68°
49°
27
69°
47°
28
66°
46°
29
66°
48°
30
65°
45°
31
65°
44°
1
67°
44°
2
67°
48°
3
66°
49°
4
69°
48°
5
68°
46°
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 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.
