S
M
T
W
T
F
S
26
68°
54°
27
72°
57°
28
71°
57°
29
72°
56°
30
71°
56°
31
73°
55°
1
70°
55°
2
72°
58°
3
69°
54°
4
70°
54°
5
70°
55°
6
71°
54°
7
69°
56°
8
71°
56°
9
68°
55°
10
68°
53°
11
71°
52°
12
68°
53°
13
72°
57°
14
72°
57°
15
70°
56°
16
69°
55°
17
70°
54°
18
69°
56°
19
67°
56°
20
67°
55°
21
70°
52°
22
70°
53°
23
70°
53°
24
65°
50°
25
65°
49°
26
66°
52°
27
65°
50°
28
64°
50°
29
68°
52°
30
69°
53°
31
67°
54°
1
68°
53°
2
63°
49°
3
67°
53°
4
69°
51°
5
69°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Fredrikstad
Fredrikstad's August 2026 forecast shows daily high temperatures ranging from 63° to 73°, with overnight lows between 49° and 58°. The average high for August is 69° with an average low of 54°. 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 Fredrikstad. See also: September | October | November.
