S
M
T
W
T
F
S
26
82°
58°
27
87°
66°
28
77°
56°
29
69°
50°
30
64°
43°
1
67°
46°
2
68°
43°
3
80°
39°
4
80°
63°
5
74°
46°
6
59°
49°
7
68°
46°
8
79°
54°
9
85°
63°
10
74°
49°
11
73°
51°
12
78°
55°
13
82°
60°
14
77°
61°
15
83°
62°
16
83°
61°
17
75°
59°
18
76°
55°
19
78°
59°
20
75°
57°
21
79°
52°
22
70°
51°
23
72°
53°
24
71°
55°
25
69°
53°
26
71°
52°
27
72°
54°
28
73°
54°
29
74°
58°
30
76°
63°
31
75°
62°
1
75°
60°
2
76°
57°
3
75°
63°
4
77°
64°
5
76°
64°
6
76°
63°
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 59° to 85°, with overnight lows between 46° and 64°. The average high for May is 75° with an average low of 57°. 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.