S
M
T
W
T
F
S
31
89°
73°
1
91°
73°
2
93°
73°
3
88°
73°
4
90°
74°
5
82°
72°
6
91°
74°
7
90°
78°
8
90°
76°
9
91°
76°
10
93°
75°
11
93°
78°
12
93°
77°
13
91°
76°
14
89°
77°
15
82°
71°
16
87°
76°
17
92°
75°
18
97°
77°
19
91°
81°
20
85°
73°
21
92°
75°
22
93°
79°
23
93°
76°
24
95°
74°
25
95°
77°
26
97°
77°
27
95°
77°
28
94°
78°
29
95°
77°
30
95°
76°
1
96°
75°
2
96°
75°
3
95°
76°
4
97°
77°
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 93° to 97°, with overnight lows between 74° and 78°. The average high for June is 95° 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 June weather will actually feel in San Antonio. See also: July | August | September.
