National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Mostly Cloudy

86°F

30°C

Humidity 59%
Wind Speed S 18 G 35 mph
Barometer 29.88 in (1009.8 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 18 May 12:51 pm CDT
Extended Forecast for

3 Miles W Shavano Park TX

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 91. South southeast wind around 15 mph, with gusts as high as 25 mph.

    High: 91 °F

    Partly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 77. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 77 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 90. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 90 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 70. Southeast wind 5 to 15 mph becoming east northeast after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%.

    Low: 70 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 84. East wind 5 to 10 mph. Chance of precipitation is 60%.

    High: 84 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 71. East southeast wind 5 to 10 mph. Chance of precipitation is 80%.

    Low: 71 °F

    Showers

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 82. South southeast wind 5 to 10 mph. Chance of precipitation is 80%.

    High: 82 °F

    Showers then
    T-storms

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 70. East southeast wind around 5 mph becoming south after midnight. Chance of precipitation is 70%.

    Low: 70 °F

    Showers
    Likely

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 84. South wind around 5 mph.

    High: 84 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Partly sunny, with a high near 91. South southeast wind around 15 mph, with gusts as high as 25 mph.
Tonight
Increasing clouds, with a low around 77. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 90. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
A chance of showers and thunderstorms before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 70. Southeast wind 5 to 15 mph becoming east northeast after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 84. East wind 5 to 10 mph. Chance of precipitation is 60%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 71. East southeast wind 5 to 10 mph. Chance of precipitation is 80%.
Thursday
Showers and possibly a thunderstorm. High near 82. South southeast wind 5 to 10 mph. Chance of precipitation is 80%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 70. East southeast wind around 5 mph becoming south after midnight. Chance of precipitation is 70%.
Friday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 84. South wind around 5 mph.
Friday Night
A 50 percent chance of showers and thunderstorms. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 70.
Saturday
Showers and thunderstorms likely. Mostly cloudy, with a high near 82. Chance of precipitation is 70%.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Sunday
Showers and thunderstorms likely. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Shavano Park TX
 29.59°N 98.61°W (Elev. 1066 ft)
Last Update:
1:34 pm CDT May 18, 2026
Forecast Valid:
1pm CDT May 18, 2026-6pm CDT May 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation