S
M
T
W
T
F
S
26
96°
66°
27
89°
67°
28
88°
66°
29
87°
67°
30
88°
66°
31
88°
67°
1
91°
71°
2
93°
71°
3
95°
70°
4
96°
66°
5
89°
67°
6
88°
65°
7
88°
68°
8
91°
72°
9
88°
71°
10
94°
71°
11
94°
70°
12
95°
67°
13
94°
64°
14
86°
68°
15
87°
72°
16
91°
71°
17
94°
70°
18
93°
71°
19
94°
70°
20
94°
71°
21
93°
71°
22
93°
70°
23
94°
70°
24
95°
61°
25
94°
62°
26
86°
62°
27
85°
61°
28
83°
61°
29
82°
67°
30
85°
67°
31
89°
64°
1
88°
63°
2
84°
64°
3
83°
65°
4
84°
65°
5
88°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Jasper
Jasper's August 2026 forecast shows daily high temperatures ranging from 82° to 96°, with overnight lows between 61° and 72°. The average high for August is 90° with an average low of 67°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Jasper. See also: September | October | November.