S
M
T
W
T
F
S
28
66°
61°
29
66°
59°
30
66°
61°
1
66°
55°
2
66°
48°
3
66°
46°
4
68°
61°
5
66°
59°
6
66°
59°
7
68°
55°
8
72°
52°
9
75°
57°
10
81°
61°
11
75°
61°
12
82°
58°
13
77°
61°
14
78°
64°
15
77°
64°
16
78°
62°
17
75°
62°
18
73°
60°
19
71°
59°
20
67°
56°
21
66°
58°
22
67°
57°
23
62°
58°
24
64°
59°
25
64°
60°
26
66°
60°
27
67°
59°
28
64°
59°
29
63°
57°
30
67°
60°
31
67°
60°
1
66°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Letterston
Letterston's July 2026 forecast shows daily high temperatures ranging from 62° to 82°, with overnight lows between 56° and 64°. The average high for July is 70° with an average low of 60°. 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 Letterston. See also: August | September | October.