Forecasts and observations from the National Weather Service.
Observed conditions
86°F
Clear
San Antonio, Stinson Municipal Airport (KSSF) · Observed
Wind
13 mph
Humidity
62%
Weather alerts
No active alerts were returned for this location when checked .
Forecast
National Weather Service · Issued
Tonight
78°F
Slight Chance Showers And Thunderstorms then Partly Cloudy
A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 78. Heat index values as high as 103. Southeast wind 5 to 10 mph. Chance of precipitation is 20%.
Chance of precipitation: 17%
Wind: SE 5 to 10 mph
Friday
100°F
Sunny
Sunny, with a high near 100. Heat index values as high as 106. South southeast wind around 5 mph.
Chance of precipitation: 8%
Wind: SSE 5 mph
Friday Night
78°F
Mostly Clear
Mostly clear, with a low around 78. Heat index values as high as 104. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Chance of precipitation: 8%
Wind: SE 5 to 10 mph
Saturday
100°F
Mostly Sunny
Mostly sunny, with a high near 100. Heat index values as high as 105. South southeast wind 5 to 10 mph.
Chance of precipitation: 2%
Wind: SSE 5 to 10 mph
Saturday Night
79°F
Mostly Clear
Mostly clear, with a low around 79. Southeast wind 5 to 10 mph, with gusts as high as 25 mph.
Chance of precipitation: 4%
Wind: SE 5 to 10 mph
Sunday
99°F
Mostly Sunny
Mostly sunny, with a high near 99. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Chance of precipitation: 7%
Wind: SSE 5 to 10 mph
Sunday Night
78°F
Partly Cloudy
Partly cloudy, with a low around 78. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Chance of precipitation: 7%
Wind: SE 5 to 15 mph
Monday
99°F
Mostly Sunny
Mostly sunny, with a high near 99. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.