S
M
T
W
T
F
S
26
76°
57°
27
77°
62°
28
77°
62°
29
78°
63°
30
79°
65°
31
83°
65°
1
85°
64°
2
85°
65°
3
84°
65°
4
84°
58°
5
78°
56°
6
76°
55°
7
76°
55°
8
77°
56°
9
77°
56°
10
78°
62°
11
80°
62°
12
81°
63°
13
83°
64°
14
84°
65°
15
85°
59°
16
83°
56°
17
76°
56°
18
76°
55°
19
77°
58°
20
77°
60°
21
75°
60°
22
78°
55°
23
79°
62°
24
82°
62°
25
76°
54°
26
78°
55°
27
78°
60°
28
75°
63°
29
82°
62°
30
81°
62°
31
81°
59°
1
80°
60°
2
79°
58°
3
78°
57°
4
73°
60°
5
79°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Allendale
Allendale's August 2026 forecast shows daily high temperatures ranging from 73° to 85°, with overnight lows between 54° and 65°. The average high for August is 79° with an average low of 60°. 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 Allendale. See also: September | October | November.
