S
M
T
W
T
F
S
26
55°
47°
27
58°
43°
28
62°
43°
29
68°
49°
30
62°
46°
1
69°
47°
2
62°
50°
3
58°
50°
4
60°
44°
5
57°
47°
6
67°
48°
7
70°
48°
8
65°
46°
9
66°
44°
10
60°
48°
11
74°
48°
12
62°
48°
13
60°
50°
14
67°
42°
15
70°
45°
16
62°
43°
17
62°
43°
18
75°
46°
19
83°
57°
20
73°
60°
21
70°
44°
22
70°
46°
23
71°
51°
24
62°
52°
25
62°
49°
26
58°
50°
27
55°
44°
28
55°
49°
29
59°
53°
30
64°
53°
31
69°
43°
1
73°
42°
2
73°
44°
3
74°
45°
4
71°
44°
5
68°
43°
6
66°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Jamesburg
Jamesburg's May 2026 forecast shows daily high temperatures ranging from 55° to 74°, with overnight lows between 42° and 53°. The average high for May is 66° 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 Jamesburg. See also: June | July | August.
