S
M
T
W
T
F
S
28
82°
68°
29
90°
65°
30
92°
68°
1
99°
73°
2
103°
76°
3
102°
77°
4
99°
73°
5
90°
70°
6
75°
68°
7
77°
67°
8
86°
65°
9
81°
71°
10
84°
70°
11
85°
68°
12
87°
67°
13
86°
64°
14
91°
66°
15
98°
72°
16
93°
66°
17
91°
67°
18
79°
71°
19
86°
61°
20
85°
66°
21
86°
67°
22
84°
64°
23
85°
63°
24
82°
64°
25
83°
63°
26
86°
64°
27
83°
64°
28
84°
65°
29
83°
64°
30
82°
66°
31
84°
68°
1
88°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in St. Lawrence
St. Lawrence's July 2026 forecast shows daily high temperatures ranging from 79° to 93°, with overnight lows between 61° and 71°. The average high for July is 85° 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 St. Lawrence. See also: August | September | October.