S
M
T
W
T
F
S
26
60°
46°
27
63°
48°
28
56°
50°
29
61°
47°
30
N/A
1
59°
41°
2
55°
46°
3
54°
41°
4
55°
42°
5
53°
40°
6
51°
37°
7
50°
40°
8
51°
43°
9
52°
43°
10
52°
44°
11
51°
45°
12
53°
44°
13
52°
45°
14
52°
44°
15
54°
49°
16
53°
49°
17
52°
48°
18
56°
49°
19
52°
49°
20
52°
48°
21
53°
48°
22
53°
47°
23
54°
46°
24
54°
47°
25
53°
45°
26
53°
48°
27
56°
51°
28
54°
52°
29
56°
51°
30
56°
47°
31
53°
46°
1
53°
46°
2
54°
47°
3
54°
46°
4
55°
46°
5
54°
47°
6
54°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Princetown
Princetown's May 2026 forecast shows daily high temperatures ranging from 50° to 59°, with overnight lows between 37° and 52°. The average high for May is 53° with an average low of 46°. 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 Princetown. See also: June | July | August.
