S
M
T
W
T
F
S
26
86°
60°
27
84°
56°
28
83°
61°
29
74°
51°
30
74°
51°
31
76°
53°
1
Hist. Avg.
82°
57°
2
Hist. Avg.
82°
57°
3
Hist. Avg.
82°
56°
4
Hist. Avg.
81°
56°
5
Hist. Avg.
81°
56°
6
Hist. Avg.
81°
56°
7
Hist. Avg.
81°
56°
8
Hist. Avg.
81°
56°
9
Hist. Avg.
81°
56°
10
Hist. Avg.
81°
56°
11
Hist. Avg.
81°
56°
12
Hist. Avg.
81°
55°
13
Hist. Avg.
81°
55°
14
Hist. Avg.
80°
55°
15
Hist. Avg.
80°
55°
16
Hist. Avg.
80°
55°
17
Hist. Avg.
80°
54°
18
Hist. Avg.
80°
54°
19
Hist. Avg.
80°
54°
20
Hist. Avg.
80°
54°
21
Hist. Avg.
79°
54°
22
Hist. Avg.
79°
53°
23
Hist. Avg.
79°
53°
24
Hist. Avg.
79°
53°
25
Hist. Avg.
78°
52°
26
Hist. Avg.
78°
52°
27
Hist. Avg.
78°
52°
28
Hist. Avg.
78°
52°
29
Hist. Avg.
77°
51°
30
Hist. Avg.
77°
51°
31
Hist. Avg.
77°
51°
1
Hist. Avg.
76°
50°
2
Hist. Avg.
76°
50°
3
Hist. Avg.
76°
50°
4
Hist. Avg.
75°
50°
5
Hist. Avg.
75°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Grand Forks
Grand Forks's August 2026 forecast shows daily high temperatures ranging from 74° to 86°, with overnight lows between 51° and 61°. The average high for August is 80° with an average low of 55°. 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 Grand Forks. See also: September | October | November.
