S
M
T
W
T
F
S
26
95°
73°
27
93°
72°
28
92°
73°
29
93°
73°
30
93°
72°
31
92°
73°
1
88°
72°
2
88°
72°
3
89°
69°
4
90°
72°
5
92°
72°
6
91°
73°
7
89°
69°
8
90°
71°
9
90°
71°
10
91°
70°
11
92°
71°
12
91°
70°
13
91°
72°
14
92°
71°
15
91°
70°
16
91°
70°
17
90°
71°
18
91°
71°
19
91°
69°
20
90°
69°
21
90°
70°
22
87°
69°
23
87°
70°
24
91°
68°
25
91°
68°
26
90°
69°
27
90°
67°
28
88°
68°
29
87°
68°
30
86°
67°
31
85°
66°
1
87°
68°
2
89°
68°
3
86°
64°
4
84°
63°
5
84°
62°
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 84° to 95°, with overnight lows between 62° and 73°. The average high for August is 90° with an average low of 70°. 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.
