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

85°F

29°C

Humidity 78%
Wind Speed S 6 mph
Barometer 30.04 in
Dewpoint 78°F (26°C)
Visibility 9.00 mi
Heat Index96°F (36°C)
Last update 1 Aug 7:55 pm CDT
Extended Forecast for

Markham TX

  • Tonight

    Tonight: Mostly clear, with a low around 77. South wind around 5 mph.

    Low: 77 °F

    Mostly Clear

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms, mainly after 2pm. Sunny, with a high near 95. Heat index values as high as 108. Calm wind becoming west around 5 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 95 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 76. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 76 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. Heat index values as high as 105. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 94 °F

    Chance
    T-storms

  • Sunday Night

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

    Low: 77 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms. Sunny, with a high near 94.

    High: 94 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 76.

    Low: 76 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Sunny, with a high near 92.

    High: 92 °F

    Chance
    T-storms

  • Tuesday Night

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

    Low: 76 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 77. South wind around 5 mph.
Saturday
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Sunny, with a high near 95. Heat index values as high as 108. Calm wind becoming west around 5 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 76. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. Heat index values as high as 105. Calm wind becoming southeast around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 77. South wind 5 to 10 mph becoming light after midnight.
Monday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 94.
Monday Night
Partly cloudy, with a low around 76.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Sunny, with a high near 92.
Tuesday Night
Mostly clear, with a low around 76.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 93.
Wednesday Night
Mostly clear, with a low around 76.
Thursday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 93.
Thursday Night
Mostly clear, with a low around 77.
Friday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 93.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Markham TX
 28.97°N 96.07°W (Elev. 52 ft)
Last Update:
8:01 pm CDT Aug 1, 2025
Forecast Valid:
8pm CDT Aug 1, 2025-6pm CDT Aug 8, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation