S
M
T
W
T
F
S
26
81°
57°
27
80°
58°
28
71°
58°
29
83°
61°
30
71°
56°
1
70°
52°
2
69°
48°
3
71°
44°
4
80°
45°
5
80°
51°
6
74°
64°
7
72°
54°
8
73°
47°
9
78°
52°
10
85°
54°
11
76°
61°
12
78°
57°
13
82°
54°
14
74°
56°
15
80°
48°
16
85°
60°
17
88°
67°
18
89°
70°
19
88°
68°
20
84°
67°
21
77°
62°
22
76°
63°
23
77°
62°
24
79°
61°
25
78°
62°
26
81°
61°
27
82°
61°
28
81°
62°
29
82°
59°
30
83°
63°
31
82°
62°
1
84°
63°
2
85°
64°
3
83°
63°
4
78°
60°
5
79°
59°
6
83°
64°
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 76° to 89°, with overnight lows between 59° and 70°. The average high for May is 82° with an average low of 63°. 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.
