S
M
T
W
T
F
S
26
88°
68°
27
88°
68°
28
87°
68°
29
85°
68°
30
86°
67°
31
88°
69°
1
89°
68°
2
88°
69°
3
88°
67°
4
88°
68°
5
87°
66°
6
83°
67°
7
85°
62°
8
83°
61°
9
82°
62°
10
83°
62°
11
86°
67°
12
88°
67°
13
88°
66°
14
87°
61°
15
84°
61°
16
83°
66°
17
82°
66°
18
84°
61°
19
82°
60°
20
81°
60°
21
82°
61°
22
83°
60°
23
84°
60°
24
84°
61°
25
83°
62°
26
85°
64°
27
86°
65°
28
87°
66°
29
87°
66°
30
85°
64°
31
84°
57°
1
80°
56°
2
78°
57°
3
79°
57°
4
80°
58°
5
81°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Upperville
Upperville's August 2026 forecast shows daily high temperatures ranging from 78° to 89°, with overnight lows between 56° and 69°. The average high for August is 85° with an average low of 63°. 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 Upperville. See also: September | October | November.