S
M
T
W
T
F
S
26
85°
64°
27
86°
63°
28
86°
68°
29
86°
65°
30
85°
61°
31
88°
58°
1
84°
64°
2
86°
72°
3
88°
72°
4
82°
71°
5
87°
73°
6
90°
72°
7
89°
72°
8
90°
71°
9
92°
71°
10
92°
67°
11
86°
67°
12
86°
67°
13
90°
67°
14
88°
71°
15
85°
71°
16
86°
71°
17
92°
71°
18
85°
68°
19
89°
65°
20
92°
69°
21
80°
65°
22
83°
65°
23
83°
59°
24
N/A
25
84°
58°
26
86°
66°
27
85°
68°
28
87°
65°
29
84°
64°
30
87°
67°
31
83°
63°
1
83°
62°
2
84°
61°
3
82°
60°
4
82°
61°
5
81°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Jefferson
Jefferson's August 2026 forecast shows daily high temperatures ranging from 81° to 87°, with overnight lows between 58° and 68°. The average high for August is 84° 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 August weather will actually feel in Jefferson. See also: September | October | November.
