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.

Fair

81°F

27°C

Humidity 89%
Wind Speed S 9 mph
Barometer 30.05 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 24 Jul 11:54 pm CDT
Extended Forecast for

Nassau Bay TX

  • Overnight

    Overnight: Partly cloudy, with a low around 78. South wind around 5 mph.

    Low: 78 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 93. Heat index values as high as 104. Light south wind increasing to 5 to 10 mph in the afternoon.

    High: 93 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 77. South wind 5 to 10 mph becoming light after midnight.

    Low: 77 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers between 1pm and 2pm. Mostly sunny, with a high near 94. Heat index values as high as 108. Light and variable wind becoming south 5 to 10 mph in the afternoon. Chance of precipitation is 20%.

    High: 94 °F

    Sunny then
    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 77. South wind 5 to 10 mph.

    Low: 77 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 97.

    High: 97 °F

    Sunny

  • Monday Night

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

    Low: 78 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 97.

    High: 97 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 77.

    Low: 77 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 78. South wind around 5 mph.
Saturday
Mostly sunny, with a high near 93. Heat index values as high as 104. Light south wind increasing to 5 to 10 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 77. South wind 5 to 10 mph becoming light after midnight.
Sunday
A slight chance of showers between 1pm and 2pm. Mostly sunny, with a high near 94. Heat index values as high as 108. Light and variable wind becoming south 5 to 10 mph in the afternoon. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 77. South wind 5 to 10 mph.
Monday
Sunny, with a high near 97.
Monday Night
Mostly clear, with a low around 78.
Tuesday
Sunny, with a high near 97.
Tuesday Night
Mostly clear, with a low around 77.
Wednesday
Sunny and hot, with a high near 98.
Wednesday Night
Mostly clear, with a low around 79.
Thursday
Sunny and hot, with a high near 98.
Thursday Night
Mostly clear, with a low around 79.
Friday
Mostly sunny and hot, with a high near 98.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Nassau Bay TX
 29.54°N 95.1°W (Elev. 13 ft)
Last Update:
10:36 pm CDT Jul 24, 2026
Forecast Valid:
12am CDT Jul 25, 2026-6pm CDT Jul 31, 2026
 
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