S
M
T
W
T
F
S
28
79°
64°
29
90°
75°
30
86°
77°
1
81°
66°
2
72°
68°
3
81°
66°
4
82°
66°
5
82°
64°
6
82°
63°
7
86°
66°
8
84°
66°
9
82°
66°
10
81°
64°
11
84°
66°
12
86°
63°
13
88°
66°
14
90°
68°
15
90°
70°
16
88°
72°
17
90°
70°
18
82°
68°
19
82°
61°
20
82°
68°
21
75°
61°
22
70°
52°
23
73°
57°
24
77°
59°
25
84°
66°
26
91°
73°
27
90°
72°
28
82°
64°
29
84°
64°
30
81°
66°
31
70°
61°
1
81°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Preston
Preston's July 2026 forecast shows daily high temperatures ranging from 81° to 81°, with overnight lows between 62° and 62°. The average high for July is 81° 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 July weather will actually feel in Preston. See also: August | September | October.
