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

Corpus Christi, Corpus Christi Naval Air Station/Truax Field (KNGP)

Lat: 27.69°NLon: 97.29°WElev: 20ft.

Partly Cloudy and Breezy

81°F

27°C

Humidity 88%
Wind Speed SE 24 G 36 mph
Barometer 29.81 in (1009.5 mb)
Dewpoint 77°F (25°C)
Visibility 7.00 mi
Heat Index88°F (31°C)
Last update 17 May 11:56 pm CDT
Extended Forecast for

Portland TX

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 81. South southeast wind 18 to 21 mph, with gusts as high as 28 mph.

    Low: 81 °F

    Slight Chance
    T-storms

  • Monday

    Monday: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm, then a slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 88. Heat index values as high as 106. Southeast wind 18 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.

    High: 88 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 81. Southeast wind 16 to 21 mph, with gusts as high as 29 mph.

    Low: 81 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 87. Heat index values as high as 104. Southeast wind 15 to 17 mph, with gusts as high as 24 mph.

    High: 87 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 79. Southeast wind 11 to 17 mph, with gusts as high as 24 mph.

    Low: 79 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 86. Southeast wind 11 to 15 mph, with gusts as high as 21 mph.

    High: 86 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 79. East southeast wind 9 to 15 mph, with gusts as high as 18 mph.

    Low: 79 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 84. Southeast wind 9 to 16 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 84 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 76. Southeast wind 8 to 15 mph, with gusts as high as 18 mph. Chance of precipitation is 80%.

    Low: 76 °F

    Chance
    T-storms then
    Showers

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 81. South southeast wind 18 to 21 mph, with gusts as high as 28 mph.
Monday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm, then a slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 88. Heat index values as high as 106. Southeast wind 18 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
Monday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 81. Southeast wind 16 to 21 mph, with gusts as high as 29 mph.
Tuesday
Mostly cloudy, with a high near 87. Heat index values as high as 104. Southeast wind 15 to 17 mph, with gusts as high as 24 mph.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 79. Southeast wind 11 to 17 mph, with gusts as high as 24 mph.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 86. Southeast wind 11 to 15 mph, with gusts as high as 21 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 79. East southeast wind 9 to 15 mph, with gusts as high as 18 mph.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 84. Southeast wind 9 to 16 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Thursday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 76. Southeast wind 8 to 15 mph, with gusts as high as 18 mph. Chance of precipitation is 80%.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 82. Chance of precipitation is 70%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 76. Chance of precipitation is 60%.
Saturday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 83. Chance of precipitation is 60%.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77.
Sunday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Portland TX
 27.88°N 97.32°W
Last Update:
12:01 am CDT May 18, 2026
Forecast Valid:
1am CDT May 18, 2026-6pm CDT May 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation