S
M
T
W
T
F
S
28
81°
64°
29
88°
73°
30
86°
63°
1
79°
65°
2
90°
69°
3
85°
67°
4
83°
65°
5
84°
67°
6
86°
69°
7
87°
65°
8
87°
66°
9
85°
67°
10
88°
66°
11
87°
63°
12
84°
68°
13
88°
64°
14
82°
62°
15
84°
65°
16
85°
65°
17
76°
61°
18
78°
65°
19
81°
65°
20
82°
64°
21
84°
66°
22
85°
66°
23
83°
65°
24
83°
66°
25
84°
66°
26
81°
65°
27
83°
65°
28
82°
66°
29
81°
65°
30
82°
64°
31
77°
63°
1
76°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Big Lake
Big Lake's July 2026 forecast shows daily high temperatures ranging from 76° to 90°, with overnight lows between 60° and 69°. The average high for July is 83° 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 Big Lake. See also: August | September | October.