S
M
T
W
T
F
S
31
82°
71°
1
84°
72°
2
84°
72°
3
83°
71°
4
84°
72°
5
84°
72°
6
85°
71°
7
85°
72°
8
87°
71°
9
89°
72°
10
89°
72°
11
88°
71°
12
89°
72°
13
88°
71°
14
89°
72°
15
90°
71°
16
87°
71°
17
88°
72°
18
87°
69°
19
88°
70°
20
90°
70°
21
90°
71°
22
91°
70°
23
90°
72°
24
91°
73°
25
91°
73°
26
92°
72°
27
89°
72°
28
91°
73°
29
91°
72°
30
89°
73°
1
88°
72°
2
87°
71°
3
88°
72°
4
90°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in St. Augustine
St. Augustine's June 2026 forecast shows daily high temperatures ranging from 82° to 92°, with overnight lows between 69° and 73°. The average high for June is 88° with an average low of 72°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in St. Augustine. See also: July | August | September.
