S
M
T
W
T
F
S
28
89°
74°
29
93°
77°
30
89°
79°
1
87°
81°
2
86°
72°
3
87°
76°
4
88°
76°
5
92°
77°
6
90°
77°
7
91°
77°
8
93°
76°
9
94°
77°
10
94°
76°
11
92°
77°
12
95°
76°
13
93°
76°
14
87°
75°
15
90°
74°
16
88°
75°
17
89°
78°
18
88°
75°
19
88°
74°
20
92°
76°
21
89°
76°
22
88°
75°
23
87°
73°
24
87°
73°
25
88°
75°
26
88°
75°
27
89°
74°
28
88°
76°
29
88°
76°
30
89°
75°
31
88°
76°
1
89°
75°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in St. Augustine
St. Augustine's July 2026 forecast shows daily high temperatures ranging from 87° to 95°, with overnight lows between 73° and 78°. The average high for July is 90° with an average low of 76°. 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. Augustine. See also: August | September | October.
