S
M
T
W
T
F
S
26
86°
68°
27
82°
67°
28
82°
64°
29
83°
66°
30
83°
68°
31
86°
68°
1
84°
67°
2
84°
68°
3
89°
65°
4
83°
61°
5
83°
64°
6
84°
62°
7
83°
61°
8
84°
60°
9
83°
60°
10
83°
61°
11
85°
67°
12
89°
68°
13
89°
65°
14
88°
62°
15
83°
66°
16
83°
67°
17
86°
60°
18
83°
62°
19
83°
60°
20
84°
61°
21
85°
64°
22
88°
66°
23
89°
66°
24
88°
65°
25
89°
65°
26
90°
66°
27
89°
65°
28
88°
66°
29
88°
65°
30
85°
59°
31
83°
57°
1
81°
56°
2
80°
58°
3
81°
58°
4
81°
57°
5
85°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Salem
Salem's August 2026 forecast shows daily high temperatures ranging from 80° to 90°, with overnight lows between 56° and 68°. The average high for August is 85° with an average low of 63°. 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 Salem. See also: September | October | November.