S
M
T
W
T
F
S
26
76°
56°
27
80°
52°
28
73°
55°
29
76°
57°
30
72°
54°
31
78°
58°
1
80°
58°
2
76°
56°
3
71°
52°
4
71°
50°
5
72°
57°
6
71°
55°
7
71°
51°
8
70°
53°
9
71°
54°
10
74°
56°
11
78°
57°
12
73°
56°
13
70°
55°
14
72°
54°
15
76°
56°
16
79°
56°
17
78°
55°
18
80°
57°
19
79°
56°
20
72°
55°
21
70°
55°
22
77°
54°
23
73°
54°
24
78°
50°
25
78°
43°
26
69°
49°
27
68°
53°
28
69°
51°
29
78°
54°
30
78°
47°
31
77°
42°
1
69°
40°
2
62°
38°
3
64°
40°
4
65°
40°
5
70°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Gilbert Plains
Gilbert Plains's August 2026 forecast shows daily high temperatures ranging from 62° to 80°, with overnight lows between 38° and 58°. The average high for August is 73° with an average low of 52°. 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 Gilbert Plains. See also: September | October | November.