S
M
T
W
T
F
S
26
88°
72°
27
87°
72°
28
89°
71°
29
90°
72°
30
91°
73°
31
91°
72°
1
89°
72°
2
90°
73°
3
93°
72°
4
90°
72°
5
92°
71°
6
93°
73°
7
93°
73°
8
92°
72°
9
92°
71°
10
87°
67°
11
88°
69°
12
92°
70°
13
91°
71°
14
92°
70°
15
91°
71°
16
92°
70°
17
91°
70°
18
91°
64°
19
89°
63°
20
85°
63°
21
85°
64°
22
86°
64°
23
86°
65°
24
87°
64°
25
87°
64°
26
88°
63°
27
89°
64°
28
89°
63°
29
86°
63°
30
86°
64°
31
87°
63°
1
91°
66°
2
90°
67°
3
87°
68°
4
90°
67°
5
89°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Selmer
Selmer's August 2026 forecast shows daily high temperatures ranging from 85° to 93°, with overnight lows between 63° and 73°. The average high for August is 89° with an average low of 68°. 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 Selmer. See also: September | October | November.