S
M
T
W
T
F
S
26
66°
52°
27
69°
51°
28
76°
47°
29
81°
49°
30
85°
51°
1
89°
54°
2
90°
56°
3
76°
52°
4
66°
53°
5
71°
50°
6
82°
57°
7
89°
59°
8
89°
58°
9
92°
63°
10
98°
66°
11
102°
69°
12
100°
70°
13
102°
69°
14
99°
64°
15
95°
64°
16
80°
56°
17
85°
61°
18
85°
60°
19
84°
61°
20
86°
61°
21
86°
60°
22
85°
61°
23
86°
62°
24
87°
63°
25
88°
63°
26
88°
62°
27
87°
62°
28
86°
61°
29
80°
62°
30
79°
61°
31
80°
62°
1
82°
62°
2
86°
64°
3
87°
64°
4
88°
63°
5
89°
64°
6
87°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Monson
Monson's May 2026 forecast shows daily high temperatures ranging from 66° to 102°, with overnight lows between 50° and 70°. The average high for May is 87° with an average low of 61°. 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 Monson. See also: June | July | August.
