S
M
T
W
T
F
S
26
83°
63°
27
83°
66°
28
82°
66°
29
79°
62°
30
83°
57°
31
85°
62°
1
78°
68°
2
73°
60°
3
78°
56°
4
80°
62°
5
83°
67°
6
81°
66°
7
81°
64°
8
83°
67°
9
85°
69°
10
87°
67°
11
84°
65°
12
79°
63°
13
81°
65°
14
80°
63°
15
79°
72°
16
77°
61°
17
85°
66°
18
84°
67°
19
86°
66°
20
84°
65°
21
83°
65°
22
84°
64°
23
85°
66°
24
84°
65°
25
81°
65°
26
82°
64°
27
81°
64°
28
79°
63°
29
81°
62°
30
80°
63°
31
82°
63°
1
83°
62°
2
77°
58°
3
76°
59°
4
77°
60°
5
81°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Lima Allen County Airport
Lima Allen County Airport's August 2026 forecast shows daily high temperatures ranging from 73° to 87°, with overnight lows between 56° and 72°. The average high for August is 81° with an average low of 64°. 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 Lima Allen County Airport. See also: September | October | November.