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

Hazardous Weather Conditions

Current conditions at

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

Lat: 27.69°NLon: 97.29°WElev: 20ft.

Overcast

27°C

80°F

Humidity 94%
Wind Speed SE 19 km/h
Barometer 1012.9 mb (29.91 in)
Dewpoint 26°C (78°F)
Visibility 11 km
Heat Index30°C (86°F)
Last update 20 May 2:56 am CDT
Extended Forecast for

Portland TX

Coastal Flood Advisory May 20, 07:00am until May 20, 06:00pm
Click here for hazard details and duration
Coastal Flood Advisory

  • Overnight

    Overnight: Showers and thunderstorms likely, mainly before 5am. Mostly cloudy, with a low around 24. East wind around 21 km/h. Chance of precipitation is 60%. New rainfall amounts between 5 and 7.5 mm possible.

    Low: 24 °C

    T-storms
    Likely

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly before 9am. Partly sunny, with a high near 31. Heat index values as high as 38. East northeast wind 16 to 24 km/h becoming southeast in the afternoon. Winds could gust as high as 34 km/h. Chance of precipitation is 60%. New precipitation amounts between 1 and 2 cm possible.

    High: 31 °C

    T-storms
    Likely then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers between 3am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 25. East southeast wind 16 to 24 km/h, with gusts as high as 32 km/h. Chance of precipitation is 30%.

    Low: 25 °C

    Mostly Cloudy
    then Chance
    T-storms

  • Thursday

    Thursday: Showers and thunderstorms, mainly before 11am, then showers likely and possibly a thunderstorm after noon. High near 29. Heat index values as high as 35. East wind 11 to 21 km/h becoming south in the afternoon. Winds could gust as high as 32 km/h. Chance of precipitation is 80%.

    High: 29 °C

    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 25. South southeast wind 14 to 18 km/h.

    Low: 25 °C

    Chance
    T-storms

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 31. South wind 11 to 16 km/h increasing to 19 to 24 km/h in the afternoon. Winds could gust as high as 34 km/h.

    High: 31 °C

    Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 26. Southeast wind 18 to 21 km/h, with gusts as high as 29 km/h.

    Low: 26 °C

    Chance
    T-storms

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Mostly cloudy, with a high near 29. South southeast wind 16 to 23 km/h, with gusts as high as 32 km/h. Chance of precipitation is 70%.

    High: 29 °C

    Showers
    Likely then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 25. Southeast wind 13 to 23 km/h, with gusts as high as 29 km/h. Chance of precipitation is 70%.

    Low: 25 °C

    Showers
    Likely

Detailed Forecast

Overnight
Showers and thunderstorms likely, mainly before 5am. Mostly cloudy, with a low around 24. East wind around 21 km/h. Chance of precipitation is 60%. New rainfall amounts between 5 and 7.5 mm possible.
Wednesday
Showers and thunderstorms likely, mainly before 9am. Partly sunny, with a high near 31. Heat index values as high as 38. East northeast wind 16 to 24 km/h becoming southeast in the afternoon. Winds could gust as high as 34 km/h. Chance of precipitation is 60%. New precipitation amounts between 1 and 2 cm possible.
Wednesday Night
A slight chance of showers between 3am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 25. East southeast wind 16 to 24 km/h, with gusts as high as 32 km/h. Chance of precipitation is 30%.
Thursday
Showers and thunderstorms, mainly before 11am, then showers likely and possibly a thunderstorm after noon. High near 29. Heat index values as high as 35. East wind 11 to 21 km/h becoming south in the afternoon. Winds could gust as high as 32 km/h. Chance of precipitation is 80%.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 25. South southeast wind 14 to 18 km/h.
Friday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 31. South wind 11 to 16 km/h increasing to 19 to 24 km/h in the afternoon. Winds could gust as high as 34 km/h.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 26. Southeast wind 18 to 21 km/h, with gusts as high as 29 km/h.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Mostly cloudy, with a high near 29. South southeast wind 16 to 23 km/h, with gusts as high as 32 km/h. Chance of precipitation is 70%.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 25. Southeast wind 13 to 23 km/h, with gusts as high as 29 km/h. Chance of precipitation is 70%.
Sunday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 28. Chance of precipitation is 70%.
Sunday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 24.
Memorial Day
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 29.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 25.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 29.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portland TX
 27.88°N 97.32°W
Last Update:
1:46 am CDT May 20, 2026
Forecast Valid:
3am CDT May 20, 2026-6pm CDT May 26, 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