S
M
T
W
T
F
S
28
88°
77°
29
90°
77°
30
N/A
1
90°
74°
2
91°
73°
3
93°
73°
4
89°
74°
5
90°
75°
6
89°
77°
7
89°
76°
8
92°
75°
9
90°
76°
10
92°
77°
11
90°
76°
12
92°
77°
13
90°
78°
14
91°
75°
15
90°
77°
16
90°
78°
17
90°
78°
18
90°
78°
19
89°
77°
20
87°
77°
21
87°
76°
22
88°
77°
23
87°
77°
24
87°
76°
25
88°
77°
26
87°
78°
27
88°
78°
28
88°
77°
29
89°
77°
30
88°
78°
31
88°
79°
1
89°
78°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Port St. Lucie
Port St. Lucie's July 2026 forecast shows daily high temperatures ranging from 87° to 93°, with overnight lows between 73° and 79°. The average high for July is 89° with an average low of 77°. 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 Port St. Lucie. See also: August | September | October.
