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.

Partly Cloudy

86°F

30°C

Humidity 64%
Wind Speed Vrbl 6 mph
Barometer 29.76 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 9 May 2:15 pm CDT
Extended Forecast for

Sweeny TX

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85. South wind around 5 mph.

    High: 85 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 8pm. Increasing clouds, with a low around 73. South wind around 5 mph becoming calm in the evening.

    Low: 73 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 87. Light southeast wind increasing to 5 to 10 mph in the morning.

    High: 87 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely, mainly between 3am and 4am. Increasing clouds, with a low around 69. Southeast wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 60%.

    Low: 69 °F

    Partly Cloudy
    then T-storms
    Likely

  • Monday

    Monday: A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm, then a slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 84. North wind 5 to 10 mph. Chance of precipitation is 30%.

    High: 84 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 67.

    Low: 67 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85. South wind around 5 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Increasing clouds, with a low around 73. South wind around 5 mph becoming calm in the evening.
Sunday
Partly sunny, with a high near 87. Light southeast wind increasing to 5 to 10 mph in the morning.
Sunday Night
Showers and thunderstorms likely, mainly between 3am and 4am. Increasing clouds, with a low around 69. Southeast wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 60%.
Monday
A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm, then a slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 84. North wind 5 to 10 mph. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 67.
Tuesday
Mostly sunny, with a high near 84.
Tuesday Night
Partly cloudy, with a low around 65.
Wednesday
Mostly sunny, with a high near 86.
Wednesday Night
Mostly clear, with a low around 66.
Thursday
Mostly sunny, with a high near 87.
Thursday Night
Partly cloudy, with a low around 69.
Friday
Mostly sunny, with a high near 85.
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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:
1:41 pm CDT May 9, 2026
Forecast Valid:
2pm CDT May 9, 2026-6pm CDT May 15, 2026
 
Forecast Discussion
 
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Additional Resources

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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