S
M
T
W
T
F
S
26
63°
44°
27
64°
46°
28
65°
50°
29
66°
52°
30
64°
50°
1
64°
48°
2
65°
50°
3
66°
48°
4
66°
49°
5
66°
47°
6
67°
49°
7
69°
48°
8
70°
52°
9
70°
52°
10
69°
48°
11
68°
47°
12
69°
48°
13
68°
52°
14
72°
53°
15
76°
52°
16
71°
50°
17
69°
49°
18
71°
53°
19
77°
55°
20
79°
55°
21
77°
54°
22
72°
54°
23
72°
53°
24
79°
55°
25
74°
48°
26
76°
51°
27
80°
54°
28
83°
53°
29
82°
52°
30
81°
50°
31
80°
52°
1
81°
54°
2
84°
58°
3
86°
56°
4
83°
56°
5
85°
54°
6
85°
59°
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 63° to 86°, with overnight lows between 44° and 59°. The average high for May is 73° 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.