S
M
T
W
T
F
S
26
86°
71°
27
84°
70°
28
84°
71°
29
85°
71°
30
84°
72°
31
87°
72°
1
86°
71°
2
86°
72°
3
91°
70°
4
84°
66°
5
85°
69°
6
86°
67°
7
85°
65°
8
84°
64°
9
84°
64°
10
85°
65°
11
87°
72°
12
90°
73°
13
91°
70°
14
90°
68°
15
85°
70°
16
84°
71°
17
87°
64°
18
84°
66°
19
84°
64°
20
85°
64°
21
86°
69°
22
89°
70°
23
89°
68°
24
90°
69°
25
90°
68°
26
89°
68°
27
90°
68°
28
88°
69°
29
88°
69°
30
86°
62°
31
85°
60°
1
82°
59°
2
81°
61°
3
81°
61°
4
82°
62°
5
87°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Prospect
Prospect's August 2026 forecast shows daily high temperatures ranging from 81° to 91°, with overnight lows between 59° and 73°. The average high for August is 86° with an average low of 67°. 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 Prospect. See also: September | October | November.
