S
M
T
W
T
F
S
26
73°
47°
27
72°
47°
28
59°
45°
29
57°
37°
30
55°
35°
1
55°
33°
2
60°
29°
3
74°
45°
4
80°
43°
5
59°
38°
6
53°
35°
7
64°
40°
8
67°
42°
9
74°
42°
10
62°
37°
11
64°
44°
12
71°
48°
13
70°
49°
14
74°
48°
15
66°
46°
16
67°
48°
17
67°
47°
18
72°
50°
19
71°
48°
20
65°
46°
21
66°
44°
22
64°
45°
23
65°
46°
24
66°
49°
25
67°
51°
26
67°
49°
27
69°
50°
28
70°
48°
29
73°
52°
30
76°
54°
31
77°
57°
1
76°
53°
2
75°
57°
3
79°
59°
4
80°
60°
5
77°
60°
6
73°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Masonville
Masonville's May 2026 forecast shows daily high temperatures ranging from 53° to 80°, with overnight lows between 35° and 60°. The average high for May is 70° with an average low of 49°. 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 Masonville. See also: June | July | August.