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

Hazardous Weather Conditions

Current conditions at

Houston / Ellington (KEFD)

Lat: 29.6°NLon: 95.17°WElev: 33ft.

Partly Cloudy

93°F

34°C

Humidity 50%
Wind Speed E 12 mph
Barometer 29.88 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 21 Sep 2:54 pm CDT
Extended Forecast for

Nassau Bay TX

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Sunny, with a high near 93. Heat index values as high as 103. East wind around 10 mph.

    High: 93 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 78. Southeast wind around 5 mph becoming calm in the evening.

    Low: 78 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 96. Heat index values as high as 106. North wind around 5 mph becoming east in the afternoon.

    High: 96 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 79. Southeast wind around 5 mph becoming calm in the evening.

    Low: 79 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 95. Northeast wind 5 to 10 mph.

    High: 95 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 79.

    Low: 79 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 95.

    High: 95 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 93. Heat index values as high as 103. East wind around 10 mph.
Tonight
Mostly clear, with a low around 78. Southeast wind around 5 mph becoming calm in the evening.
Tuesday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 96. Heat index values as high as 106. North wind around 5 mph becoming east in the afternoon.
Tuesday Night
Partly cloudy, with a low around 79. Southeast wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 95. Northeast wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 79.
Thursday
Mostly sunny, with a high near 95.
Thursday Night
Mostly clear, with a low around 76.
Friday
Mostly sunny, with a high near 92.
Friday Night
Partly cloudy, with a low around 76.
Saturday
Mostly sunny, with a high near 92.
Saturday Night
Partly cloudy, with a low around 77.
Sunday
Mostly 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:
1:21 pm CDT Sep 21, 2026
Forecast Valid:
3pm CDT Sep 21, 2026-6pm CDT Sep 27, 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