S
M
T
W
T
F
S
26
100°
69°
27
100°
67°
28
101°
65°
29
99°
61°
30
97°
61°
31
95°
60°
1
93°
59°
2
92°
60°
3
92°
60°
4
93°
61°
5
93°
65°
6
97°
64°
7
100°
64°
8
99°
65°
9
97°
67°
10
100°
68°
11
98°
63°
12
96°
64°
13
97°
62°
14
96°
63°
15
96°
66°
16
95°
66°
17
98°
67°
18
92°
66°
19
97°
64°
20
96°
58°
21
93°
57°
22
92°
57°
23
91°
58°
24
92°
60°
25
94°
57°
26
91°
56°
27
91°
56°
28
90°
57°
29
90°
55°
30
91°
56°
31
91°
61°
1
92°
59°
2
95°
57°
3
92°
58°
4
89°
55°
5
89°
55°
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 89° to 101°, with overnight lows between 55° and 69°. The average high for August is 95° 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.
