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

77°F

25°C

Humidity 94%
Wind Speed Calm
Barometer 29.99 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 3 Aug 6:54 am CDT
Extended Forecast for

Nassau Bay TX

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly after noon. Mostly sunny, with a high near 92. Heat index values as high as 102. Calm wind becoming east around 5 mph in the afternoon.

    High: 92 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers before 9pm, then a slight chance of showers and thunderstorms after 5am. Mostly clear, with a low around 78. Southeast wind around 5 mph becoming calm after midnight. Chance of precipitation is 20%.

    Low: 78 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Monday

    Monday: A slight chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 10am, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 93. Heat index values as high as 102. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 40%.

    High: 93 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers, with thunderstorms also possible after 4am. Partly cloudy, with a low around 78. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 78 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92. Calm wind becoming east around 5 mph in the afternoon.

    High: 92 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 78.

    Low: 78 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms. Sunny, with a high near 93.

    High: 93 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 78.

    Low: 78 °F

    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Sunny, with a high near 94.

    High: 94 °F

    Chance
    T-storms

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly after noon. Mostly sunny, with a high near 92. Heat index values as high as 102. Calm wind becoming east around 5 mph in the afternoon.
Tonight
A slight chance of showers before 9pm, then a slight chance of showers and thunderstorms after 5am. Mostly clear, with a low around 78. Southeast wind around 5 mph becoming calm after midnight. Chance of precipitation is 20%.
Monday
A slight chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 10am, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 93. Heat index values as high as 102. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 40%.
Monday Night
A slight chance of showers, with thunderstorms also possible after 4am. Partly cloudy, with a low around 78. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92. Calm wind becoming east around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 78.
Wednesday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 93.
Wednesday Night
Mostly clear, with a low around 78.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Sunny, with a high near 94.
Thursday Night
Mostly clear, with a low around 78.
Friday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 92.
Friday Night
Mostly clear, with a low around 78.
Saturday
A 40 percent chance of showers and thunderstorms. Sunny, with a high near 92.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Nassau Bay TX
 29.54°N 95.08°W (Elev. 3 ft)
Last Update:
1:20 am CDT Aug 3, 2025
Forecast Valid:
7am CDT Aug 3, 2025-6pm CDT Aug 9, 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