S
M
T
W
T
F
S
26
71°
46°
27
72°
45°
28
72°
46°
29
73°
46°
30
72°
45°
31
72°
45°
1
71°
44°
2
72°
45°
3
72°
46°
4
71°
45°
5
69°
42°
6
70°
44°
7
73°
43°
8
73°
43°
9
67°
42°
10
66°
43°
11
72°
42°
12
66°
41°
13
65°
41°
14
67°
39°
15
67°
41°
16
69°
41°
17
72°
38°
18
68°
39°
19
68°
40°
20
70°
43°
21
71°
43°
22
71°
42°
23
72°
43°
24
71°
43°
25
66°
36°
26
68°
36°
27
70°
37°
28
69°
37°
29
63°
39°
30
68°
38°
31
65°
37°
1
66°
40°
2
62°
39°
3
68°
40°
4
67°
37°
5
60°
35°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Jefferson
Jefferson's August 2026 forecast shows daily high temperatures ranging from 60° to 73°, with overnight lows between 35° and 46°. The average high for August is 69° with an average low of 41°. 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.
