S
M
T
W
T
F
S
28
92°
71°
29
89°
74°
30
92°
69°
1
96°
70°
2
99°
72°
3
101°
74°
4
99°
75°
5
97°
74°
6
92°
73°
7
87°
71°
8
86°
70°
9
89°
71°
10
88°
72°
11
88°
71°
12
90°
72°
13
89°
70°
14
92°
69°
15
87°
68°
16
87°
68°
17
88°
69°
18
91°
71°
19
92°
71°
20
92°
72°
21
91°
73°
22
92°
73°
23
91°
72°
24
88°
73°
25
90°
72°
26
91°
73°
27
91°
73°
28
86°
72°
29
87°
73°
30
87°
69°
31
88°
67°
1
86°
67°
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 86° to 101°, with overnight lows between 67° and 75°. The average high for July is 91° with an average low of 71°. 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.
