S
M
T
W
T
F
S
26
86°
73°
27
86°
74°
28
87°
74°
29
86°
73°
30
89°
74°
31
90°
74°
1
89°
73°
2
90°
73°
3
85°
72°
4
84°
73°
5
86°
73°
6
83°
72°
7
84°
72°
8
84°
71°
9
85°
72°
10
86°
73°
11
88°
72°
12
86°
72°
13
84°
71°
14
87°
70°
15
84°
72°
16
84°
72°
17
87°
71°
18
88°
72°
19
87°
71°
20
88°
67°
21
86°
65°
22
82°
66°
23
82°
65°
24
83°
68°
25
84°
68°
26
84°
71°
27
86°
69°
28
86°
68°
29
85°
69°
30
82°
65°
31
86°
65°
1
80°
66°
2
79°
69°
3
81°
69°
4
84°
67°
5
85°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Chesapeake
Chesapeake's August 2026 forecast shows daily high temperatures ranging from 79° to 90°, with overnight lows between 65° and 74°. The average high for August is 85° with an average low of 70°. 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 Chesapeake. See also: September | October | November.
