S
M
T
W
T
F
S
28
80°
65°
29
89°
63°
30
91°
62°
1
98°
70°
2
101°
71°
3
100°
74°
4
99°
71°
5
89°
69°
6
74°
67°
7
80°
66°
8
84°
68°
9
83°
69°
10
86°
67°
11
87°
63°
12
85°
64°
13
85°
63°
14
90°
68°
15
96°
69°
16
90°
67°
17
87°
66°
18
86°
65°
19
85°
64°
20
84°
65°
21
85°
64°
22
80°
62°
23
80°
62°
24
87°
67°
25
84°
64°
26
83°
66°
27
87°
68°
28
86°
68°
29
87°
67°
30
84°
67°
31
81°
66°
1
82°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Mount Gretna
Mount Gretna's July 2026 forecast shows daily high temperatures ranging from 80° to 96°, with overnight lows between 62° and 69°. The average high for July is 85° with an average low of 66°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Mount Gretna. See also: August | September | October.
