S
M
T
W
T
F
S
26
86°
68°
27
88°
69°
28
88°
69°
29
87°
68°
30
84°
67°
31
77°
66°
1
85°
69°
2
88°
69°
3
88°
68°
4
87°
70°
5
88°
68°
6
87°
69°
7
85°
65°
8
86°
59°
9
84°
56°
10
79°
62°
11
78°
58°
12
80°
57°
13
77°
59°
14
78°
62°
15
78°
65°
16
79°
57°
17
83°
57°
18
78°
56°
19
78°
55°
20
80°
55°
21
82°
59°
22
82°
64°
23
85°
64°
24
86°
65°
25
86°
64°
26
85°
59°
27
84°
54°
28
79°
54°
29
75°
53°
30
76°
56°
31
78°
53°
1
77°
52°
2
75°
52°
3
75°
53°
4
77°
56°
5
76°
56°
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 75° to 88°, with overnight lows between 52° and 70°. The average high for August is 82° with an average low of 61°. 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.
