S
M
T
W
T
F
S
26
90°
71°
27
100°
78°
28
92°
71°
29
86°
70°
30
87°
71°
31
85°
70°
1
90°
73°
2
94°
73°
3
94°
72°
4
92°
71°
5
91°
72°
6
92°
72°
7
94°
73°
8
94°
73°
9
93°
70°
10
84°
66°
11
86°
70°
12
84°
70°
13
87°
69°
14
83°
63°
15
82°
62°
16
82°
62°
17
83°
63°
18
82°
63°
19
83°
66°
20
85°
68°
21
86°
68°
22
86°
67°
23
87°
67°
24
90°
64°
25
89°
65°
26
89°
67°
27
84°
66°
28
86°
59°
29
81°
60°
30
79°
59°
31
80°
63°
1
84°
58°
2
80°
55°
3
79°
54°
4
77°
56°
5
78°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Jefferson City
Jefferson City's August 2026 forecast shows daily high temperatures ranging from 77° to 100°, with overnight lows between 54° and 78°. The average high for August is 86° with an average low of 66°. 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 City. See also: September | October | November.
