S
M
T
W
T
F
S
28
84°
68°
29
86°
71°
30
82°
71°
1
83°
72°
2
87°
72°
3
90°
71°
4
88°
66°
5
82°
65°
6
83°
65°
7
84°
66°
8
84°
69°
9
86°
72°
10
84°
72°
11
87°
71°
12
88°
73°
13
90°
73°
14
90°
72°
15
88°
73°
16
85°
72°
17
89°
73°
18
92°
74°
19
92°
74°
20
85°
67°
21
86°
67°
22
88°
70°
23
87°
65°
24
86°
64°
25
84°
65°
26
85°
66°
27
86°
66°
28
86°
67°
29
87°
70°
30
90°
71°
31
91°
72°
1
91°
70°
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 82° to 92°, with overnight lows between 64° and 74°. The average high for July is 87° with an average low of 70°. 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.
