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Hazardous Weather Conditions

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Fog/Mist

80°F

27°C

Humidity 82%
Wind Speed NE 13 mph
Barometer 29.71 in (1005.2 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 12 May 4:56 pm CDT
Extended Forecast for

5 Miles SW San Marcos TX

  • Tonight

    Tonight: Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 72. East wind 5 to 10 mph.

    Low: 72 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms, mainly after 10am. Some of the storms could be severe. Patchy fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 87. Southeast wind 5 to 10 mph becoming west southwest in the morning.

    High: 87 °F

    Severe
    Thunderstorms
    and Patchy
    Fog

  • Monday Night

    Monday Night: Mostly clear, with a low around 64. North wind 5 to 10 mph.

    Low: 64 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89. West northwest wind 5 to 10 mph becoming east in the afternoon.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 64. East wind 5 to 10 mph becoming south after midnight.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 88. Southeast wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 88 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 69 °F

    Chance
    T-storms

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Mostly cloudy, with a high near 82. Southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    High: 82 °F

    Showers
    Likely then
    T-storms
    Likely

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 69. East wind around 10 mph becoming north northwest after midnight.

    Low: 69 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 72. East wind 5 to 10 mph.
Monday
A 40 percent chance of showers and thunderstorms, mainly after 10am. Some of the storms could be severe. Patchy fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 87. Southeast wind 5 to 10 mph becoming west southwest in the morning.
Monday Night
Mostly clear, with a low around 64. North wind 5 to 10 mph.
Tuesday
Sunny, with a high near 89. West northwest wind 5 to 10 mph becoming east in the afternoon.
Tuesday Night
Mostly clear, with a low around 64. East wind 5 to 10 mph becoming south after midnight.
Wednesday
Partly sunny, with a high near 88. Southeast wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Mostly cloudy, with a high near 82. Southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Thursday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 69. East wind around 10 mph becoming north northwest after midnight.
Friday
Partly sunny, with a high near 86.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Sunday
Mostly sunny, with a high near 90.
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Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW San Marcos TX
 29.83°N 97.99°W (Elev. 676 ft)
Last Update:
3:42 pm CDT May 12, 2024
Forecast Valid:
5pm CDT May 12, 2024-6pm CDT May 19, 2024
 
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