Tuesday
Hot
High:
99°F
Sunny and hot, with a high near 99. Heat index values as high as 104. Calm wind becoming east northeast around 5 mph in the afternoon.
San Antonio, TX Weather - Tomorrow’s Forecast
Tuesday Night
Mostly clear
Overnight low:
78°F
Mostly clear, with a low around 78. East southeast wind 5 to 10 mph becoming south after midnight.