S
M
T
W
T
F
S
26
65°
48°
27
79°
41°
28
77°
54°
29
69°
49°
30
58°
38°
1
58°
33°
2
56°
30°
3
63°
28°
4
75°
59°
5
75°
55°
6
61°
46°
7
61°
38°
8
66°
49°
9
66°
47°
10
72°
51°
11
61°
42°
12
62°
41°
13
69°
52°
14
68°
51°
15
67°
47°
16
73°
51°
17
74°
50°
18
75°
55°
19
73°
54°
20
76°
52°
21
73°
51°
22
68°
46°
23
65°
46°
24
67°
49°
25
67°
51°
26
68°
48°
27
67°
48°
28
68°
49°
29
69°
49°
30
70°
51°
31
76°
58°
1
71°
55°
2
72°
52°
3
72°
55°
4
73°
57°
5
76°
58°
6
80°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Jackson
Jackson's May 2026 forecast shows daily high temperatures ranging from 61° to 80°, with overnight lows between 38° and 60°. The average high for May is 70° with an average low of 51°. 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 Jackson. See also: June | July | August.