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

Bay City, Bay City Municipal Airport (KBYY)

Lat: 28.97°NLon: 95.86°WElev: 46ft.

Fair

77°F

25°C

Humidity 100%
Wind Speed Calm
Barometer 29.90 in
Dewpoint 77°F (25°C)
Visibility 7.00 mi
Heat Index78°F (26°C)
Last update 4 Aug 7:35 am CDT
Extended Forecast for

Sweeny TX

  • Today

    Today: Sunny, with a high near 93. Heat index values as high as 105. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 93 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 77. South wind 5 to 10 mph becoming light in the evening.

    Low: 77 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 93. Heat index values as high as 105. Light southeast wind becoming south 5 to 10 mph in the morning.

    High: 93 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 77. South wind 5 to 10 mph becoming light southeast in the evening.

    Low: 77 °F

    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 92. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.

    High: 92 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

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

    Low: 76 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Sunny, with a high near 91.

    High: 91 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 91.

    High: 91 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 93. Heat index values as high as 105. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Tonight
Mostly clear, with a low around 77. South wind 5 to 10 mph becoming light in the evening.
Wednesday
Sunny, with a high near 93. Heat index values as high as 105. Light southeast wind becoming south 5 to 10 mph in the morning.
Wednesday Night
Mostly clear, with a low around 77. South wind 5 to 10 mph becoming light southeast in the evening.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 92. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 76.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Sunny, with a high near 91.
Friday Night
Mostly clear, with a low around 75.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 91.
Saturday Night
Mostly clear, with a low around 76.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Sunday Night
Mostly clear, with a low around 76.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sweeny TX
 29.04°N 95.7°W (Elev. 30 ft)
Last Update:
7:20 am CDT Aug 4, 2026
Forecast Valid:
7am CDT Aug 4, 2026-6pm CDT Aug 10, 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