S
M
T
W
T
F
S
26
83°
60°
27
86°
61°
28
81°
64°
29
86°
65°
30
77°
65°
1
67°
54°
2
74°
48°
3
76°
47°
4
81°
47°
5
83°
49°
6
88°
67°
7
82°
66°
8
76°
62°
9
69°
63°
10
82°
62°
11
86°
65°
12
71°
60°
13
83°
58°
14
82°
55°
15
83°
52°
16
89°
56°
17
89°
68°
18
91°
68°
19
92°
68°
20
91°
71°
21
88°
68°
22
86°
70°
23
85°
70°
24
85°
71°
25
81°
71°
26
79°
71°
27
83°
71°
28
81°
69°
29
81°
70°
30
82°
69°
31
83°
64°
1
80°
66°
2
83°
67°
3
84°
66°
4
85°
67°
5
88°
68°
6
85°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Jack
Jack's May 2026 forecast shows daily high temperatures ranging from 79° to 88°, with overnight lows between 64° and 71°. The average high for May is 83° with an average low of 69°. 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 Jack. See also: June | July | August.
