S
M
T
W
T
F
S
26
46°
41°
27
59°
41°
28
63°
45°
29
68°
46°
30
73°
54°
1
73°
59°
2
70°
59°
3
63°
48°
4
48°
45°
5
52°
45°
6
66°
50°
7
75°
55°
8
75°
57°
9
81°
59°
10
81°
63°
11
86°
68°
12
82°
55°
13
72°
52°
14
77°
55°
15
77°
57°
16
70°
52°
17
64°
50°
18
75°
52°
19
75°
59°
20
77°
59°
21
81°
63°
22
82°
59°
23
77°
59°
24
75°
57°
25
70°
46°
26
59°
45°
27
66°
48°
28
63°
49°
29
68°
51°
30
78°
54°
31
84°
59°
1
85°
59°
2
87°
58°
3
85°
59°
4
88°
58°
5
87°
60°
6
83°
58°
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 88°, with overnight lows between 48° and 60°. The average high for May is 79° with an average low of 56°. 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.