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.

88°F

31°C

Humidity 79%
Wind Speed SE 12 mph
Barometer 30.03 in
Dewpoint 81°F (27°C)
Visibility 10.00 mi
Heat Index106°F (41°C)
Last update 21 Jun 11:15 am CDT
Extended Forecast for

Markham TX

  • Today

    Today: A 20 percent chance of showers and thunderstorms before noon. Mostly sunny, with a high near 90. Heat index values as high as 102. South wind around 15 mph, with gusts as high as 25 mph.

    High: 90 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 77. Southeast wind 5 to 15 mph.

    Low: 77 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 91. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 91 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 77. Southeast wind 5 to 15 mph.

    Low: 77 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 90 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly before 1pm. Mostly sunny, with a high near 90. Chance of precipitation is 60%.

    High: 90 °F

    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.

    Low: 75 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly before 1pm. Partly sunny, with a high near 89. Chance of precipitation is 60%.

    High: 89 °F

    T-storms
    Likely

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms before noon. Mostly sunny, with a high near 90. Heat index values as high as 102. South wind around 15 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 77. Southeast wind 5 to 15 mph.
Sunday
Mostly sunny, with a high near 91. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 77. Southeast wind 5 to 15 mph.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Monday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 75.
Tuesday
Showers and thunderstorms likely, mainly before 1pm. Mostly sunny, with a high near 90. Chance of precipitation is 60%.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.
Wednesday
Showers and thunderstorms likely, mainly before 1pm. Partly sunny, with a high near 89. Chance of precipitation is 60%.
Wednesday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 75.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
Thursday Night
Mostly cloudy, with a low around 75.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
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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:
9:20 am CDT Jun 21, 2025
Forecast Valid:
11am CDT Jun 21, 2025-6pm CDT Jun 27, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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