S
M
T
W
T
F
S
26
79°
51°
27
83°
54°
28
80°
51°
29
79°
56°
30
79°
55°
31
82°
55°
1
84°
56°
2
85°
58°
3
85°
56°
4
84°
55°
5
82°
55°
6
85°
58°
7
86°
58°
8
85°
57°
9
77°
55°
10
77°
52°
11
76°
50°
12
76°
51°
13
77°
52°
14
81°
57°
15
80°
56°
16
77°
54°
17
77°
50°
18
80°
49°
19
83°
52°
20
84°
55°
21
80°
54°
22
85°
56°
23
82°
51°
24
75°
53°
25
80°
54°
26
77°
46°
27
76°
48°
28
75°
50°
29
74°
47°
30
75°
48°
31
76°
55°
1
77°
57°
2
84°
56°
3
85°
56°
4
78°
48°
5
74°
47°
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 46° and 58°. The average high for August is 80° with an average low of 53°. 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.
