S
M
T
W
T
F
S
26
97°
75°
27
98°
75°
28
90°
74°
29
94°
75°
30
90°
72°
31
95°
71°
1
73°
66°
2
85°
63°
3
87°
66°
4
93°
69°
5
97°
72°
6
96°
70°
7
88°
70°
8
94°
71°
9
94°
73°
10
95°
74°
11
95°
74°
12
95°
73°
13
94°
73°
14
94°
71°
15
87°
64°
16
85°
67°
17
91°
71°
18
91°
71°
19
90°
70°
20
91°
70°
21
91°
69°
22
90°
70°
23
91°
70°
24
91°
69°
25
90°
69°
26
90°
68°
27
89°
68°
28
90°
69°
29
89°
68°
30
90°
67°
31
89°
67°
1
88°
66°
2
89°
67°
3
89°
67°
4
88°
66°
5
88°
67°
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 85° to 97°, with overnight lows between 63° and 74°. The average high for August is 91° with an average low of 69°. 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.
