S
M
T
W
T
F
S
26
92°
72°
27
92°
73°
28
91°
73°
29
91°
72°
30
92°
73°
31
92°
73°
1
93°
72°
2
93°
72°
3
91°
71°
4
92°
72°
5
92°
72°
6
91°
71°
7
87°
71°
8
87°
68°
9
91°
71°
10
92°
71°
11
92°
70°
12
89°
71°
13
88°
70°
14
90°
68°
15
88°
69°
16
90°
70°
17
91°
69°
18
88°
70°
19
87°
69°
20
87°
68°
21
88°
65°
22
85°
64°
23
85°
64°
24
86°
65°
25
89°
67°
26
89°
69°
27
90°
66°
28
90°
68°
29
91°
69°
30
91°
68°
31
90°
64°
1
89°
64°
2
84°
65°
3
86°
67°
4
89°
67°
5
89°
66°
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 84° to 93°, with overnight lows between 64° and 73°. The average high for August is 90° with an average low of 69°. 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.
