S
M
T
W
T
F
S
26
82°
63°
27
83°
64°
28
84°
65°
29
83°
64°
30
85°
65°
31
88°
67°
1
89°
68°
2
89°
69°
3
88°
69°
4
88°
67°
5
87°
66°
6
86°
66°
7
86°
67°
8
87°
66°
9
87°
67°
10
89°
66°
11
88°
63°
12
88°
63°
13
87°
64°
14
87°
69°
15
88°
68°
16
90°
69°
17
91°
69°
18
92°
68°
19
90°
69°
20
91°
69°
21
91°
68°
22
90°
68°
23
91°
67°
24
91°
68°
25
90°
69°
26
90°
68°
27
89°
68°
28
89°
66°
29
88°
65°
30
85°
67°
31
87°
64°
1
87°
64°
2
88°
63°
3
85°
61°
4
84°
62°
5
83°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Hillgrove
Hillgrove's August 2026 forecast shows daily high temperatures ranging from 82° to 92°, with overnight lows between 61° and 69°. The average high for August is 88° with an average low of 66°. 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 Hillgrove. See also: September | October | November.