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

Excessive Rainfall Possible This Weekend; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >

Current conditions at

Port Aransas, Mustang Beach Airport (KRAS)

Lat: 27.81°NLon: 97.09°WElev: 7ft.

Thunderstorm Heavy Rain in Vicinity Fog/Mist

79°F

26°C

Humidity 92%
Wind Speed N 16 mph
Barometer 29.94 in
Dewpoint 76°F (24°C)
Visibility 3.00 mi
Heat Index83°F (28°C)
Last update 3 Oct 10:55 pm CDT
Extended Forecast for

Port Aransas TX

  • Tonight

    Tonight: A chance of showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 3am, then a chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 78. North wind 18 to 20 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 78 °F

    Showers
    Likely

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 85. Heat index values as high as 95. North wind 17 to 22 mph, with gusts as high as 25 mph. New rainfall amounts between a quarter and half of an inch possible.

    High: 85 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely before 2am, then showers likely and possibly a thunderstorm between 2am and 3am, then a chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 77. North northeast wind 18 to 21 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 77 °F

    Showers
    Likely

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. Heat index values as high as 93. North northeast wind 16 to 22 mph, with gusts as high as 25 mph.

    High: 85 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77. North northeast wind around 16 mph, with gusts as high as 21 mph.

    Low: 77 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms before 1pm. Sunny, with a high near 86. North northeast wind 11 to 17 mph, with gusts as high as 21 mph.

    High: 86 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 77. Northeast wind 7 to 10 mph.

    Low: 77 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 89. North northeast wind around 11 mph.

    High: 89 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 77. East northeast wind 7 to 11 mph.

    Low: 77 °F

    Mostly Clear
    then Chance
    Showers

Detailed Forecast

Tonight
A chance of showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 3am, then a chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 78. North wind 18 to 20 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 85. Heat index values as high as 95. North wind 17 to 22 mph, with gusts as high as 25 mph. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers and thunderstorms likely before 2am, then showers likely and possibly a thunderstorm between 2am and 3am, then a chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 77. North northeast wind 18 to 21 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. Heat index values as high as 93. North northeast wind 16 to 22 mph, with gusts as high as 25 mph.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77. North northeast wind around 16 mph, with gusts as high as 21 mph.
Tuesday
A 20 percent chance of showers and thunderstorms before 1pm. Sunny, with a high near 86. North northeast wind 11 to 17 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly clear, with a low around 77. Northeast wind 7 to 10 mph.
Wednesday
Sunny, with a high near 89. North northeast wind around 11 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 77. East northeast wind 7 to 11 mph.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Port Aransas TX
 27.84°N 97.06°W
Last Update:
7:41 pm CDT Oct 3, 2026
Forecast Valid:
11pm CDT Oct 3, 2026-6pm CDT Oct 10, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation