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

Houston / Ellington (KEFD)

Lat: 29.6°NLon: 95.17°WElev: 33ft.

Partly Cloudy

79°F

26°C

Humidity 89%
Wind Speed Calm
Barometer 29.92 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 30 Aug 6:54 am CDT
Extended Forecast for

Nassau Bay TX

  • Today

    Today: Showers and thunderstorms likely, mainly after 5pm. Partly sunny, with a high near 91. Heat index values as high as 103. North wind around 5 mph becoming southwest in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Tonight

    Tonight: A chance of showers and thunderstorms before 11pm, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 78. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 40%.

    Low: 78 °F

    Chance
    T-storms

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Partly sunny, with a high near 89. Northeast wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 89 °F

    Showers
    Likely then
    T-storms
    Likely

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77. East wind around 5 mph.

    Low: 77 °F

    Chance
    T-storms

  • Labor Day

    Labor Day: Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Partly sunny, with a high near 87. North wind around 5 mph. Chance of precipitation is 70%.

    High: 87 °F

    Showers
    Likely then
    T-storms
    Likely

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 74.

    Low: 74 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.

    High: 90 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

Detailed Forecast

Today
Showers and thunderstorms likely, mainly after 5pm. Partly sunny, with a high near 91. Heat index values as high as 103. North wind around 5 mph becoming southwest in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 11pm, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 78. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 40%.
Sunday
Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Partly sunny, with a high near 89. Northeast wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77. East wind around 5 mph.
Labor Day
Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Partly sunny, with a high near 87. North wind around 5 mph. Chance of precipitation is 70%.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 74.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Tuesday Night
Partly cloudy, with a low around 73.
Wednesday
Sunny, with a high near 89.
Wednesday Night
Mostly clear, with a low around 72.
Thursday
Sunny, with a high near 90.
Thursday Night
Mostly clear, with a low around 74.
Friday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 88.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Nassau Bay TX
 29.57°N 95.08°W (Elev. 13 ft)
Last Update:
7:20 am CDT Aug 30, 2025
Forecast Valid:
7am CDT Aug 30, 2025-6pm CDT Sep 5, 2025
 
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