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

77°F

25°C

Humidity 82%
Wind Speed SE 7 mph
Barometer 29.98 in
Dewpoint 71°F (22°C)
Visibility 8.00 mi
Heat Index79°F (26°C)
Last update 12 Oct 1:55 am CDT
Extended Forecast for

5 Miles NNE Markham TX

  • Overnight

    Overnight: Partly cloudy, with a low around 74. Southeast wind around 5 mph.

    Low: 74 °F

    Partly Cloudy

  • Columbus Day

    Columbus Day: Showers and thunderstorms likely, mainly before 2pm. Mostly sunny, with a high near 90. Heat index values as high as 103. Southeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 77. Southeast wind 5 to 10 mph.

    Low: 77 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers before 8am, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 91. Heat index values as high as 105. South wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    High: 91 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 77. Southeast wind 5 to 10 mph.

    Low: 77 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 74. Southeast wind around 5 mph.
Columbus Day
Showers and thunderstorms likely, mainly before 2pm. Mostly sunny, with a high near 90. Heat index values as high as 103. Southeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 77. Southeast wind 5 to 10 mph.
Tuesday
A slight chance of showers before 8am, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 91. Heat index values as high as 105. South wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Tuesday Night
Partly cloudy, with a low around 77. Southeast wind 5 to 10 mph.
Wednesday
Sunny, with a high near 90.
Wednesday Night
Mostly clear, with a low around 72.
Thursday
Sunny, with a high near 90.
Thursday Night
Mostly clear, with a low around 70.
Friday
A 20 percent chance of showers after 1pm. Sunny, with a high near 86.
Friday Night
Partly cloudy, with a low around 63. Breezy.
Saturday
Sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Mostly sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Markham TX
 29.04°N 96.04°W (Elev. 59 ft)
Last Update:
1:22 am CDT Oct 12, 2026
Forecast Valid:
2am CDT Oct 12, 2026-6pm CDT Oct 18, 2026
 
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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