S
M
T
W
T
F
S
26
87°
62°
27
89°
66°
28
90°
69°
29
86°
67°
30
87°
61°
31
88°
62°
1
88°
63°
2
86°
72°
3
89°
72°
4
87°
68°
5
88°
72°
6
92°
71°
7
92°
69°
8
92°
67°
9
93°
63°
10
93°
66°
11
96°
69°
12
87°
67°
13
85°
64°
14
85°
63°
15
84°
62°
16
85°
64°
17
84°
63°
18
83°
63°
19
86°
67°
20
88°
66°
21
86°
65°
22
86°
66°
23
88°
66°
24
89°
65°
25
88°
66°
26
86°
66°
27
84°
65°
28
83°
65°
29
84°
63°
30
85°
64°
31
84°
64°
1
85°
62°
2
79°
58°
3
77°
57°
4
77°
58°
5
78°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Culpeper
Culpeper's August 2026 forecast shows daily high temperatures ranging from 77° to 96°, with overnight lows between 55° and 72°. The average high for August is 86° with an average low of 64°. 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 Culpeper. See also: September | October | November.