S
M
T
W
T
F
S
26
78°
63°
27
83°
65°
28
78°
65°
29
81°
64°
30
83°
65°
31
82°
65°
1
81°
64°
2
78°
64°
3
77°
63°
4
78°
64°
5
79°
63°
6
78°
64°
7
78°
64°
8
79°
63°
9
77°
64°
10
77°
64°
11
78°
63°
12
76°
62°
13
76°
60°
14
77°
61°
15
76°
62°
16
76°
61°
17
77°
61°
18
76°
60°
19
77°
62°
20
77°
63°
21
82°
56°
22
82°
56°
23
78°
55°
24
77°
56°
25
76°
59°
26
77°
57°
27
81°
55°
28
75°
61°
29
75°
61°
30
83°
54°
31
77°
53°
1
75°
54°
2
76°
59°
3
76°
54°
4
78°
61°
5
78°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Exeter
Exeter's August 2026 forecast shows daily high temperatures ranging from 75° to 83°, with overnight lows between 53° and 65°. The average high for August is 78° with an average low of 61°. 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 Exeter. See also: September | October | November.
