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

Hazardous Weather Conditions

Current conditions at

Port Aransas, Mustang Beach Airport (KRAS)

Lat: 27.81°NLon: 97.09°WElev: 7ft.

Fair

29°C

85°F

Humidity 82%
Wind Speed S 13 km/h
Barometer 30.02 in
Dewpoint 26°C (79°F)
Visibility 16 km
Heat Index37°C (98°F)
Last update 14 Sep 6:35 am CDT
Extended Forecast for

Aransas Pass TX

Heat Advisory September 14, 12:00pm until September 14, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Mostly sunny, with a high near 34. Heat index values as high as 44. Southeast wind 14 to 19 km/h increasing to 22 to 27 km/h in the afternoon. Winds could gust as high as 40 km/h.

    High: 34 °C

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 28. Southeast wind 27 to 32 km/h decreasing to 16 to 21 km/h after midnight. Winds could gust as high as 45 km/h.

    Low: 28 °C

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 34. Heat index values as high as 43. South southeast wind 14 to 21 km/h.

    High: 34 °C

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 28. Southeast wind 16 to 21 km/h decreasing to 10 to 15 km/h after midnight. Winds could gust as high as 29 km/h.

    Low: 28 °C

    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 34. East wind 8 to 18 km/h.

    High: 34 °C

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 28. East wind 8 to 18 km/h.

    Low: 28 °C

    Partly Cloudy
    then Chance
    T-storms

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 33. East northeast wind 10 to 15 km/h increasing to 16 to 21 km/h in the afternoon. Chance of precipitation is 70%.

    High: 33 °C

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 28. East wind 18 to 23 km/h decreasing to 11 to 16 km/h after midnight. Winds could gust as high as 29 km/h. Chance of precipitation is 50%.

    Low: 28 °C

    Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 33. East wind 13 to 23 km/h.

    High: 33 °C

    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 34. Heat index values as high as 44. Southeast wind 14 to 19 km/h increasing to 22 to 27 km/h in the afternoon. Winds could gust as high as 40 km/h.
Tonight
Partly cloudy, with a low around 28. Southeast wind 27 to 32 km/h decreasing to 16 to 21 km/h after midnight. Winds could gust as high as 45 km/h.
Tuesday
Sunny, with a high near 34. Heat index values as high as 43. South southeast wind 14 to 21 km/h.
Tuesday Night
Mostly clear, with a low around 28. Southeast wind 16 to 21 km/h decreasing to 10 to 15 km/h after midnight. Winds could gust as high as 29 km/h.
Wednesday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 34. East wind 8 to 18 km/h.
Wednesday Night
A 50 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 28. East wind 8 to 18 km/h.
Thursday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 33. East northeast wind 10 to 15 km/h increasing to 16 to 21 km/h in the afternoon. Chance of precipitation is 70%.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 28. East wind 18 to 23 km/h decreasing to 11 to 16 km/h after midnight. Winds could gust as high as 29 km/h. Chance of precipitation is 50%.
Friday
A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 33. East wind 13 to 23 km/h.
Friday Night
Mostly clear, with a low around 27.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 33.
Saturday Night
Mostly clear, with a low around 27.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 33.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Aransas Pass TX
 27.91°N 97.14°W
Last Update:
1:46 am CDT Sep 14, 2026
Forecast Valid:
6am CDT Sep 14, 2026-6pm CDT Sep 20, 2026
 
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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