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
80°
69°
2
79°
65°
3
78°
62°
4
83°
66°
5
81°
65°
6
84°
66°
7
87°
65°
8
86°
67°
9
84°
66°
10
86°
64°
11
81°
63°
12
79°
63°
13
80°
61°
14
83°
62°
15
79°
58°
16
78°
59°
17
87°
67°
18
86°
67°
19
88°
66°
20
86°
65°
21
85°
64°
22
86°
65°
23
87°
66°
24
87°
66°
25
84°
65°
26
84°
65°
27
83°
64°
28
82°
63°
29
83°
64°
30
82°
63°
31
83°
63°
1
85°
62°
2
80°
58°
3
78°
58°
4
80°
59°
5
83°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Sunbury
Sunbury's August 2026 forecast shows daily high temperatures ranging from 78° to 88°, with overnight lows between 58° and 69°. The average high for August is 83° 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 Sunbury. See also: September | October | November.
