S
M
T
W
T
F
S
31
92°
75°
1
91°
78°
2
93°
75°
3
85°
67°
4
88°
62°
5
91°
61°
6
91°
63°
7
95°
70°
8
96°
71°
9
90°
70°
10
94°
71°
11
93°
72°
12
89°
74°
13
88°
74°
14
89°
73°
15
86°
74°
16
91°
73°
17
91°
74°
18
90°
73°
19
91°
75°
20
92°
72°
21
87°
73°
22
87°
72°
23
88°
73°
24
88°
74°
25
89°
74°
26
91°
73°
27
91°
75°
28
90°
74°
29
90°
74°
30
89°
73°
1
87°
74°
2
87°
74°
3
88°
73°
4
87°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in San Antonio
San Antonio's June 2026 forecast shows daily high temperatures ranging from 86° to 96°, with overnight lows between 70° and 75°. The average high for June is 90° with an average low of 73°. 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 San Antonio. See also: July | August | September.
