S
M
T
W
T
F
S
26
80°
63°
27
80°
60°
28
81°
64°
29
84°
62°
30
85°
59°
31
85°
61°
1
84°
59°
2
79°
58°
3
78°
59°
4
78°
57°
5
79°
58°
6
79°
57°
7
80°
59°
8
79°
61°
9
78°
61°
10
78°
60°
11
80°
65°
12
80°
65°
13
82°
59°
14
86°
56°
15
77°
56°
16
77°
63°
17
78°
63°
18
82°
57°
19
79°
57°
20
77°
64°
21
80°
64°
22
84°
62°
23
85°
63°
24
84°
62°
25
83°
55°
26
82°
55°
27
75°
61°
28
79°
61°
29
78°
62°
30
82°
62°
31
84°
61°
1
83°
53°
2
80°
59°
3
80°
54°
4
74°
54°
5
75°
52°
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 74° to 86°, with overnight lows between 52° and 65°. The average high for August is 80° with an average low of 60°. 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.
