S
M
T
W
T
F
S
26
62°
41°
27
62°
44°
28
63°
40°
29
66°
45°
30
65°
41°
1
65°
46°
2
62°
47°
3
74°
49°
4
65°
43°
5
63°
42°
6
63°
42°
7
66°
48°
8
71°
43°
9
66°
44°
10
64°
43°
11
64°
43°
12
67°
54°
13
77°
56°
14
78°
57°
15
78°
55°
16
75°
49°
17
71°
55°
18
77°
56°
19
80°
58°
20
80°
56°
21
79°
51°
22
71°
51°
23
72°
50°
24
72°
49°
25
74°
53°
26
80°
58°
27
82°
58°
28
81°
59°
29
83°
59°
30
84°
58°
31
80°
53°
1
80°
52°
2
74°
52°
3
74°
51°
4
73°
53°
5
76°
54°
6
77°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Mason
Mason's May 2026 forecast shows daily high temperatures ranging from 62° to 84°, with overnight lows between 40° and 62°. The average high for May is 72° with an average low of 50°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Mason. See also: June | July | August.
