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
86°
63°
8
89°
70°
9
83°
66°
10
83°
62°
11
85°
63°
12
88°
62°
13
89°
66°
14
92°
68°
15
90°
67°
16
87°
64°
17
89°
62°
18
87°
62°
19
87°
63°
20
84°
63°
21
83°
62°
22
79°
62°
23
80°
64°
24
88°
68°
25
87°
67°
26
88°
68°
27
88°
67°
28
87°
67°
29
86°
66°
30
85°
65°
31
80°
63°
1
82°
64°
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 92°, with overnight lows between 62° and 70°. The average high for July is 86° with an average low of 65°. 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.
