S
M
T
W
T
F
S
26
101°
70°
27
94°
67°
28
91°
64°
29
97°
70°
30
90°
68°
31
87°
64°
1
89°
56°
2
91°
63°
3
87°
57°
4
76°
53°
5
83°
59°
6
90°
56°
7
79°
55°
8
84°
56°
9
81°
60°
10
78°
59°
11
80°
61°
12
81°
56°
13
80°
57°
14
80°
62°
15
85°
62°
16
84°
61°
17
86°
62°
18
79°
58°
19
80°
63°
20
83°
64°
21
84°
65°
22
85°
64°
23
84°
64°
24
84°
63°
25
83°
60°
26
73°
58°
27
73°
62°
28
78°
61°
29
83°
62°
30
84°
63°
31
83°
62°
1
82°
61°
2
83°
63°
3
84°
62°
4
83°
61°
5
79°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Fargo
Fargo's August 2026 forecast shows daily high temperatures ranging from 73° to 90°, with overnight lows between 55° and 65°. The average high for August is 82° with an average low of 61°. 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 Fargo. See also: September | October | November.