S
M
T
W
T
F
S
28
85°
64°
29
92°
75°
30
91°
77°
1
91°
75°
2
91°
69°
3
88°
68°
4
82°
68°
5
83°
68°
6
83°
64°
7
87°
62°
8
89°
70°
9
81°
67°
10
79°
65°
11
85°
63°
12
88°
66°
13
89°
66°
14
90°
68°
15
88°
64°
16
86°
61°
17
83°
62°
18
83°
62°
19
84°
64°
20
83°
62°
21
79°
58°
22
79°
62°
23
80°
64°
24
79°
63°
25
79°
64°
26
83°
64°
27
83°
65°
28
86°
66°
29
87°
67°
30
87°
66°
31
85°
65°
1
86°
66°
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 79° to 90°, with overnight lows between 58° and 70°. The average high for July is 84° with an average low of 64°. 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.
