S
M
T
W
T
F
S
26
85°
66°
27
84°
65°
28
82°
66°
29
86°
66°
30
88°
67°
31
86°
67°
1
87°
66°
2
86°
67°
3
86°
65°
4
85°
60°
5
84°
59°
6
80°
58°
7
83°
62°
8
85°
66°
9
84°
65°
10
85°
64°
11
82°
66°
12
80°
62°
13
79°
63°
14
80°
61°
15
Hist. Avg.
81°
61°
16
Hist. Avg.
81°
60°
17
Hist. Avg.
81°
60°
18
Hist. Avg.
81°
60°
19
Hist. Avg.
81°
60°
20
Hist. Avg.
81°
60°
21
Hist. Avg.
81°
60°
22
Hist. Avg.
80°
60°
23
Hist. Avg.
80°
59°
24
Hist. Avg.
80°
59°
25
Hist. Avg.
80°
59°
26
Hist. Avg.
80°
59°
27
Hist. Avg.
80°
58°
28
Hist. Avg.
80°
58°
29
Hist. Avg.
79°
58°
30
Hist. Avg.
79°
58°
31
Hist. Avg.
79°
58°
1
Hist. Avg.
79°
57°
2
Hist. Avg.
79°
57°
3
Hist. Avg.
78°
57°
4
Hist. Avg.
78°
56°
5
Hist. Avg.
78°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Exeter
Exeter's August 2026 forecast shows daily high temperatures ranging from 79° to 88°, with overnight lows between 58° and 67°. The average high for August is 84° 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 Exeter. See also: September | October | November.