Hazardous Weather Conditions

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Overcast

79°F

26°C

Humidity 90%
Wind Speed SE 9 mph
Barometer 29.87 in (1010.5 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 23 May 1:56 am CDT
Extended Forecast for

San Marcos TX

  • Overnight

    Overnight: Widespread haze after 3am. Cloudy, with a low around 75. Southeast wind around 10 mph.

    Low: 75 °F

    Haze

  • Thursday

    Thursday: Widespread haze before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 94. Heat index values as high as 102. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 94 °F

    Haze then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 75. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 75 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 96. Heat index values as high as 106. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 96 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 74. South southeast wind 5 to 10 mph.

    Low: 74 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 98. South wind 5 to 10 mph, with gusts as high as 25 mph.

    High: 98 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 75. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 75 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny and hot, with a high near 100. South southwest wind 5 to 10 mph.

    High: 100 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 74. South southeast wind 5 to 10 mph.

    Low: 74 °F

    Mostly Clear

Detailed Forecast

Overnight
Widespread haze after 3am. Cloudy, with a low around 75. Southeast wind around 10 mph.
Thursday
Widespread haze before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 94. Heat index values as high as 102. South wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 75. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Friday
Mostly sunny, with a high near 96. Heat index values as high as 106. South wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 74. South southeast wind 5 to 10 mph.
Saturday
Mostly sunny, with a high near 98. South wind 5 to 10 mph, with gusts as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 75. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
Sunny and hot, with a high near 100. South southwest wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 74. South southeast wind 5 to 10 mph.
Memorial Day
Sunny, with a high near 98.
Monday Night
Mostly clear, with a low around 69.
Tuesday
Sunny, with a high near 93.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Click Map For Forecast

ABOUT THIS FORECAST

 
Point Forecast:
San Marcos TX
 29.88°N 97.94°W (Elev. 577 ft)
12:42 am CDT May 23, 2024
2am CDT May 23, 2024-6pm CDT May 29, 2024
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database