S
M
T
W
T
F
S
26
84°
68°
27
87°
65°
28
83°
71°
29
80°
56°
30
84°
55°
31
86°
62°
1
83°
69°
2
80°
66°
3
83°
65°
4
84°
67°
5
85°
67°
6
87°
66°
7
88°
64°
8
87°
65°
9
85°
66°
10
85°
62°
11
84°
61°
12
83°
64°
13
82°
65°
14
85°
59°
15
79°
58°
16
79°
57°
17
80°
61°
18
80°
58°
19
79°
57°
20
79°
57°
21
81°
60°
22
81°
57°
23
79°
55°
24
78°
55°
25
78°
56°
26
77°
56°
27
78°
55°
28
78°
55°
29
82°
56°
30
85°
62°
31
79°
62°
1
84°
61°
2
78°
58°
3
77°
54°
4
76°
53°
5
77°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Mason
Mason's August 2026 forecast shows daily high temperatures ranging from 76° to 88°, with overnight lows between 53° and 69°. The average high for August is 81° with an average low of 60°. 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 Mason. See also: September | October | November.