S
M
T
W
T
F
S
26
82°
63°
27
81°
60°
28
81°
60°
29
77°
61°
30
77°
61°
31
80°
63°
1
81°
64°
2
80°
64°
3
81°
63°
4
82°
63°
5
77°
62°
6
76°
63°
7
84°
63°
8
76°
62°
9
80°
63°
10
77°
61°
11
78°
63°
12
80°
63°
13
82°
60°
14
75°
56°
15
74°
59°
16
77°
62°
17
76°
62°
18
79°
61°
19
82°
62°
20
82°
60°
21
77°
57°
22
73°
55°
23
78°
62°
24
77°
60°
25
83°
60°
26
81°
53°
27
74°
51°
28
71°
50°
29
72°
51°
30
73°
53°
31
78°
59°
1
75°
59°
2
80°
53°
3
74°
49°
4
70°
49°
5
69°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Campbellsport
Campbellsport's August 2026 forecast shows daily high temperatures ranging from 69° to 84°, with overnight lows between 49° and 64°. The average high for August is 78° with an average low of 59°. 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 Campbellsport. See also: September | October | November.