S
M
T
W
T
F
S
26
78°
63°
27
82°
65°
28
82°
68°
29
78°
61°
30
83°
58°
31
86°
62°
1
79°
69°
2
79°
66°
3
79°
59°
4
83°
54°
5
87°
64°
6
86°
64°
7
85°
70°
8
87°
68°
9
86°
64°
10
85°
66°
11
78°
66°
12
83°
67°
13
83°
66°
14
81°
66°
15
83°
70°
16
89°
66°
17
80°
60°
18
79°
61°
19
80°
60°
20
80°
61°
21
80°
63°
22
82°
61°
23
77°
60°
24
76°
58°
25
77°
60°
26
81°
63°
27
83°
63°
28
76°
55°
29
76°
58°
30
79°
62°
31
81°
62°
1
84°
63°
2
84°
62°
3
83°
61°
4
82°
61°
5
80°
60°
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 76° to 89°, with overnight lows between 55° and 70°. The average high for August is 81° with an average low of 62°. 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.
