S
M
T
W
T
F
S
26
75°
54°
27
85°
61°
28
85°
58°
29
84°
58°
30
80°
52°
31
76°
51°
1
77°
52°
2
77°
52°
3
78°
50°
4
77°
54°
5
79°
60°
6
82°
61°
7
83°
61°
8
85°
53°
9
80°
60°
10
84°
51°
11
77°
60°
12
81°
54°
13
82°
50°
14
76°
60°
15
80°
59°
16
84°
51°
17
78°
53°
18
80°
58°
19
82°
51°
20
80°
51°
21
76°
54°
22
76°
59°
23
83°
50°
24
83°
49°
25
74°
49°
26
72°
50°
27
72°
50°
28
71°
49°
29
73°
48°
30
74°
47°
31
73°
50°
1
72°
51°
2
72°
47°
3
70°
51°
4
73°
56°
5
75°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Crookston
Crookston's August 2026 forecast shows daily high temperatures ranging from 70° to 85°, with overnight lows between 47° and 61°. The average high for August is 78° with an average low of 53°. 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 Crookston. See also: September | October | November.