S
M
T
W
T
F
S
26
81°
58°
27
81°
60°
28
80°
60°
29
79°
59°
30
80°
60°
31
81°
60°
1
82°
59°
2
82°
60°
3
83°
57°
4
82°
58°
5
76°
59°
6
82°
57°
7
80°
58°
8
79°
59°
9
81°
57°
10
81°
57°
11
80°
56°
12
80°
57°
13
79°
57°
14
81°
55°
15
76°
52°
16
74°
50°
17
75°
54°
18
76°
53°
19
76°
49°
20
77°
50°
21
75°
55°
22
77°
55°
23
79°
56°
24
80°
55°
25
79°
50°
26
80°
54°
27
78°
52°
28
71°
54°
29
73°
55°
30
78°
50°
31
78°
47°
1
77°
44°
2
70°
47°
3
70°
46°
4
69°
46°
5
69°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Frog Lake
Frog Lake's August 2026 forecast shows daily high temperatures ranging from 69° to 83°, with overnight lows between 44° and 60°. The average high for August is 78° with an average low of 54°. 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 Frog Lake. See also: September | October | November.