S
M
T
W
T
F
S
28
81°
64°
29
90°
72°
30
82°
64°
1
82°
64°
2
82°
63°
3
82°
64°
4
84°
63°
5
86°
61°
6
84°
68°
7
88°
70°
8
79°
66°
9
81°
61°
10
84°
63°
11
86°
66°
12
86°
68°
13
84°
68°
14
94°
67°
15
92°
68°
16
93°
70°
17
98°
69°
18
94°
67°
19
93°
69°
20
93°
62°
21
84°
61°
22
78°
59°
23
80°
61°
24
84°
61°
25
83°
64°
26
82°
63°
27
83°
61°
28
77°
59°
29
79°
65°
30
77°
63°
31
78°
66°
1
76°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Lake Preston
Lake Preston's July 2026 forecast shows daily high temperatures ranging from 76° to 98°, with overnight lows between 59° and 70°. The average high for July is 85° 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 Lake Preston. See also: August | September | October.