S
M
T
W
T
F
S
26
82°
63°
27
85°
64°
28
80°
65°
29
N/A
30
83°
62°
31
88°
65°
1
89°
70°
2
78°
70°
3
79°
62°
4
84°
63°
5
86°
66°
6
87°
67°
7
89°
66°
8
89°
66°
9
88°
67°
10
88°
65°
11
87°
62°
12
83°
64°
13
83°
65°
14
87°
63°
15
81°
58°
16
80°
58°
17
81°
63°
18
84°
61°
19
80°
59°
20
80°
57°
21
83°
63°
22
84°
61°
23
82°
57°
24
79°
57°
25
80°
58°
26
80°
57°
27
79°
56°
28
81°
58°
29
82°
59°
30
85°
62°
31
87°
64°
1
86°
63°
2
85°
62°
3
79°
58°
4
78°
54°
5
77°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Gettysburg
Gettysburg's August 2026 forecast shows daily high temperatures ranging from 77° to 89°, with overnight lows between 54° and 70°. The average high for August is 83° with an average low of 62°. 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 Gettysburg. See also: September | October | November.
