S
M
T
W
T
F
S
26
92°
79°
27
93°
79°
28
93°
78°
29
94°
79°
30
94°
79°
31
92°
78°
1
92°
79°
2
94°
79°
3
91°
78°
4
93°
79°
5
93°
79°
6
91°
78°
7
94°
76°
8
93°
78°
9
94°
78°
10
95°
79°
11
96°
78°
12
95°
77°
13
96°
78°
14
96°
78°
15
95°
77°
16
96°
78°
17
95°
78°
18
95°
77°
19
94°
78°
20
94°
78°
21
91°
77°
22
91°
77°
23
92°
76°
24
92°
78°
25
95°
78°
26
94°
77°
27
94°
78°
28
94°
77°
29
93°
76°
30
91°
77°
31
90°
76°
1
91°
77°
2
90°
73°
3
90°
73°
4
89°
74°
5
89°
73°
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 89° to 96°, with overnight lows between 73° and 79°. The average high for August is 93° with an average low of 77°. 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.
