S
M
T
W
T
F
S
31
92°
75°
1
91°
78°
2
93°
75°
3
N/A
4
87°
64°
5
89°
67°
6
92°
68°
7
93°
71°
8
94°
75°
9
90°
72°
10
89°
71°
11
91°
72°
12
91°
71°
13
84°
73°
14
86°
74°
15
88°
72°
16
89°
74°
17
90°
71°
18
88°
73°
19
87°
74°
20
88°
72°
21
88°
73°
22
87°
73°
23
87°
74°
24
88°
73°
25
87°
71°
26
87°
73°
27
88°
74°
28
87°
74°
29
87°
73°
30
88°
75°
1
88°
74°
2
87°
75°
3
85°
72°
4
86°
73°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
June Weather in San Antonio
San Antonio's June 2026 forecast shows daily high temperatures ranging from 84° to 94°, with overnight lows between 64° and 75°. 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 San Antonio. See also: July | August | September.