S
M
T
W
T
F
S
28
89°
74°
29
93°
77°
30
89°
79°
1
87°
81°
2
86°
72°
3
88°
76°
4
89°
76°
5
91°
76°
6
90°
75°
7
93°
77°
8
93°
76°
9
94°
75°
10
91°
76°
11
93°
77°
12
92°
77°
13
93°
76°
14
90°
77°
15
92°
76°
16
91°
79°
17
87°
75°
18
88°
75°
19
88°
74°
20
89°
74°
21
88°
73°
22
88°
76°
23
89°
76°
24
88°
75°
25
88°
76°
26
89°
76°
27
88°
75°
28
88°
76°
29
89°
75°
30
88°
76°
31
90°
76°
1
91°
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 94°, with overnight lows between 73° and 79°. 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.
