S
M
T
W
T
F
S
26
104°
68°
27
98°
67°
28
97°
70°
29
96°
70°
30
91°
66°
31
90°
64°
1
91°
63°
2
93°
62°
3
89°
63°
4
88°
58°
5
82°
59°
6
84°
61°
7
85°
60°
8
87°
64°
9
89°
65°
10
86°
65°
11
84°
64°
12
80°
61°
13
79°
63°
14
87°
65°
15
88°
64°
16
82°
62°
17
83°
63°
18
86°
63°
19
82°
62°
20
83°
63°
21
88°
65°
22
89°
64°
23
87°
63°
24
82°
62°
25
87°
63°
26
86°
63°
27
85°
62°
28
84°
61°
29
84°
61°
30
82°
60°
31
83°
61°
1
81°
61°
2
78°
60°
3
79°
60°
4
76°
58°
5
73°
59°
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 73° to 104°, with overnight lows between 58° and 70°. The average high for August is 86° with an average low of 63°. 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.
