S
M
T
W
T
F
S
26
87°
80°
27
87°
80°
28
88°
79°
29
87°
80°
30
87°
80°
31
88°
79°
1
87°
80°
2
87°
80°
3
88°
79°
4
87°
80°
5
86°
80°
6
88°
79°
7
90°
77°
8
89°
78°
9
89°
77°
10
90°
77°
11
89°
78°
12
89°
78°
13
90°
77°
14
89°
77°
15
88°
78°
16
88°
77°
17
89°
77°
18
90°
78°
19
89°
78°
20
90°
77°
21
89°
78°
22
90°
77°
23
90°
78°
24
89°
78°
25
90°
77°
26
90°
78°
27
89°
78°
28
90°
77°
29
90°
79°
30
89°
78°
31
91°
78°
1
91°
76°
2
90°
78°
3
90°
78°
4
91°
77°
5
89°
78°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Munster
Munster's August 2026 forecast shows daily high temperatures ranging from 86° to 91°, with overnight lows between 76° and 80°. The average high for August is 89° with an average low of 78°. 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 Munster. See also: September | October | November.
