S
M
T
W
T
F
S
27
63°
36°
28
71°
35°
29
71°
35°
30
38°
28°
1
47°
28°
2
49°
36°
3
49°
35°
4
58°
27°
5
57°
27°
6
67°
35°
7
60°
41°
8
46°
36°
9
51°
34°
10
54°
33°
11
56°
33°
12
65°
34°
13
60°
32°
14
89°
44°
15
82°
57°
16
69°
51°
17
61°
47°
18
50°
41°
19
42°
37°
20
49°
37°
21
57°
40°
22
56°
43°
23
52°
42°
24
53°
42°
25
65°
44°
26
76°
45°
27
76°
50°
28
77°
52°
29
84°
47°
30
76°
49°
31
50°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Mashteuiatsh
Mashteuiatsh's May 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for May is ° with an average low of °. 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 Mashteuiatsh. See also: June | July | August.