S
M
T
W
T
F
S
26
79°
58°
27
80°
60°
28
80°
60°
29
79°
59°
30
73°
58°
31
72°
58°
1
73°
57°
2
75°
58°
3
76°
58°
4
78°
57°
5
78°
59°
6
79°
60°
7
80°
59°
8
80°
58°
9
79°
59°
10
80°
59°
11
81°
60°
12
80°
59°
13
80°
59°
14
71°
52°
15
76°
52°
16
69°
49°
17
78°
51°
18
75°
48°
19
71°
45°
20
69°
48°
21
71°
54°
22
72°
51°
23
69°
48°
24
75°
55°
25
72°
54°
26
73°
50°
27
77°
46°
28
73°
45°
29
67°
45°
30
69°
46°
31
68°
50°
1
67°
52°
2
69°
45°
3
71°
43°
4
70°
48°
5
70°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Big Falls
Big Falls's August 2026 forecast shows daily high temperatures ranging from 67° to 81°, with overnight lows between 43° and 60°. The average high for August is 74° 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 Big Falls. See also: September | October | November.
