S
M
T
W
T
F
S
26
61°
44°
27
67°
42°
28
63°
47°
29
54°
44°
30
55°
40°
1
50°
39°
2
49°
34°
3
63°
34°
4
76°
45°
5
59°
45°
6
56°
44°
7
57°
38°
8
64°
39°
9
72°
46°
10
62°
40°
11
60°
37°
12
64°
35°
13
60°
45°
14
65°
41°
15
66°
50°
16
76°
60°
17
80°
62°
18
87°
65°
19
77°
57°
20
72°
50°
21
65°
49°
22
68°
50°
23
69°
54°
24
76°
59°
25
77°
59°
26
78°
58°
27
74°
65°
28
76°
58°
29
77°
58°
30
75°
54°
31
68°
50°
1
70°
49°
2
69°
50°
3
70°
52°
4
71°
57°
5
79°
61°
6
81°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Jasper
Jasper's May 2026 forecast shows daily high temperatures ranging from 65° to 87°, with overnight lows between 41° and 65°. The average high for May is 74° with an average low of 55°. 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 Jasper. See also: June | July | August.