S
M
T
W
T
F
S
28
81°
64°
29
90°
77°
30
88°
77°
1
84°
68°
2
77°
66°
3
81°
68°
4
82°
66°
5
82°
66°
6
82°
63°
7
86°
64°
8
84°
72°
9
86°
67°
10
87°
66°
11
87°
64°
12
86°
64°
13
89°
64°
14
91°
67°
15
91°
69°
16
91°
71°
17
90°
69°
18
88°
63°
19
84°
59°
20
81°
61°
21
80°
59°
22
81°
60°
23
79°
61°
24
83°
62°
25
85°
65°
26
82°
61°
27
81°
64°
28
78°
63°
29
75°
62°
30
77°
61°
31
80°
64°
1
78°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in St. Lucas
St. Lucas's July 2026 forecast shows daily high temperatures ranging from 75° to 91°, with overnight lows between 59° and 71°. The average high for July is 83° 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 St. Lucas. See also: August | September | October.
