S
M
T
W
T
F
S
26
66°
43°
27
61°
39°
28
62°
44°
29
65°
42°
30
69°
41°
1
63°
40°
2
63°
39°
3
62°
41°
4
63°
44°
5
63°
42°
6
62°
41°
7
63°
42°
8
68°
44°
9
65°
43°
10
64°
42°
11
64°
42°
12
65°
44°
13
73°
53°
14
76°
52°
15
69°
51°
16
76°
53°
17
74°
49°
18
72°
47°
19
69°
45°
20
73°
53°
21
76°
49°
22
72°
46°
23
69°
47°
24
71°
48°
25
72°
48°
26
76°
55°
27
78°
55°
28
80°
50°
29
77°
50°
30
73°
54°
31
73°
55°
1
76°
51°
2
75°
50°
3
75°
49°
4
73°
51°
5
74°
52°
6
77°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Plainsboro Township
Plainsboro Township's May 2026 forecast shows daily high temperatures ranging from 61° to 80°, with overnight lows between 39° and 57°. The average high for May is 70° with an average low of 47°. 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 Plainsboro Township. See also: June | July | August.
