S
M
T
W
T
F
S
26
45°
36°
27
45°
37°
28
46°
37°
29
46°
36°
30
45°
36°
31
45°
35°
1
44°
36°
2
44°
37°
3
45°
37°
4
44°
36°
5
45°
37°
6
44°
37°
7
44°
36°
8
43°
36°
9
44°
34°
10
41°
34°
11
42°
36°
12
44°
35°
13
42°
32°
14
39°
32°
15
38°
34°
16
40°
35°
17
40°
30°
18
39°
30°
19
38°
33°
20
38°
31°
21
39°
33°
22
40°
32°
23
40°
34°
24
41°
34°
25
39°
33°
26
39°
31°
27
38°
33°
28
40°
31°
29
39°
28°
30
36°
27°
31
34°
28°
1
35°
27°
2
34°
25°
3
33°
25°
4
32°
26°
5
32°
25°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Grise Fiord
Grise Fiord's August 2026 forecast shows daily high temperatures ranging from 32° to 46°, with overnight lows between 25° and 37°. The average high for August is 41° with an average low of 33°. 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 Grise Fiord. See also: September | October | November.