S
M
T
W
T
F
S
26
85°
71°
27
84°
70°
28
82°
71°
29
83°
71°
30
84°
72°
31
85°
72°
1
85°
71°
2
87°
72°
3
85°
70°
4
83°
65°
5
86°
71°
6
85°
66°
7
87°
65°
8
84°
66°
9
84°
65°
10
86°
67°
11
89°
71°
12
90°
71°
13
91°
70°
14
90°
70°
15
88°
69°
16
84°
70°
17
86°
68°
18
85°
69°
19
84°
65°
20
84°
65°
21
85°
67°
22
88°
68°
23
88°
68°
24
89°
66°
25
89°
67°
26
88°
68°
27
89°
69°
28
87°
70°
29
88°
69°
30
88°
66°
31
87°
61°
1
83°
61°
2
82°
62°
3
83°
63°
4
87°
66°
5
87°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Lexington
Lexington's August 2026 forecast shows daily high temperatures ranging from 82° to 91°, with overnight lows between 61° and 72°. The average high for August is 86° with an average low of 68°. 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 Lexington. See also: September | October | November.