S
M
T
W
T
F
S
28
66°
55°
29
66°
54°
30
66°
55°
1
66°
57°
2
72°
55°
3
72°
54°
4
70°
59°
5
73°
57°
6
77°
57°
7
80°
55°
8
87°
57°
9
89°
61°
10
93°
63°
11
89°
60°
12
84°
57°
13
81°
59°
14
82°
60°
15
83°
59°
16
82°
59°
17
81°
60°
18
76°
56°
19
74°
55°
20
72°
56°
21
71°
55°
22
68°
54°
23
69°
51°
24
72°
54°
25
73°
56°
26
73°
56°
27
72°
55°
28
72°
57°
29
69°
57°
30
68°
55°
31
67°
53°
1
67°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Longtown
Longtown's July 2026 forecast shows daily high temperatures ranging from 67° to 93°, with overnight lows between 51° and 63°. The average high for July is 77° with an average low of 57°. 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 Longtown. See also: August | September | October.