S
M
T
W
T
F
S
31
84°
70°
1
88°
72°
2
90°
68°
3
82°
68°
4
86°
70°
5
79°
70°
6
88°
72°
7
88°
72°
8
88°
72°
9
88°
73°
10
90°
72°
11
90°
73°
12
90°
73°
13
90°
72°
14
88°
72°
15
77°
72°
16
88°
72°
17
90°
64°
18
93°
72°
19
86°
72°
20
88°
75°
21
90°
77°
22
95°
77°
23
93°
75°
24
92°
73°
25
93°
74°
26
94°
75°
27
95°
76°
28
96°
74°
29
96°
76°
30
95°
75°
1
96°
74°
2
97°
75°
3
94°
72°
4
95°
74°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in San Antonio Northwest
San Antonio Northwest's June 2026 forecast shows daily high temperatures ranging from 88° to 97°, with overnight lows between 72° and 77°. The average high for June is 94° with an average low of 75°. 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 Northwest. See also: July | August | September.
