S
M
T
W
T
F
S
28
69°
57°
29
64°
56°
30
64°
55°
1
67°
55°
2
69°
56°
3
75°
61°
4
71°
59°
5
76°
56°
6
86°
53°
7
78°
56°
8
71°
52°
9
74°
54°
10
76°
55°
11
70°
51°
12
72°
52°
13
78°
55°
14
80°
54°
15
77°
54°
16
79°
56°
17
79°
54°
18
80°
55°
19
76°
54°
20
73°
53°
21
76°
54°
22
79°
56°
23
80°
58°
24
80°
58°
25
79°
55°
26
77°
54°
27
78°
55°
28
80°
56°
29
75°
58°
30
74°
54°
31
79°
57°
1
79°
57°
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 70° to 86°, with overnight lows between 51° and 58°. The average high for July is 77° with an average low of 55°. 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.
