Markham Weather Forecast

    • 71
    • 92

    Chance Thunderstorms

    • 71
    • 91

    Mostly Sunny

    • 73
    • 91

    Chance Thunderstorms

    • 74
    • 90

    Chance Thunderstorms

    • 72
    • 89

    Thunderstorms Likely

    • 71
    • 88

    Thunderstorms Likely

Today 18 Sep Inland Matagorda

Mostly sunny with a slight chance of Showers. A chance of Thunderstorms in the afternoon. Highs in the lower 90s. Northeast Winds around 5 Mph, becoming southeast in the afternoon. Chance of rain 30 percent.

Tonight 18 Sep Inland Matagorda

Partly cloudy in the Evening, then becoming mostly clear. Lows in the lower 70s. Southeast Winds 5 to 10 Mph, becoming northeast after midnight.

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Markham Temperature Statistics

September Temperature

Bay City, Bay City Municipal Airport (11.8 miles)

  • Lowest 10 September, 2025

    63.1 °F

  • Average September

    78.9 °F

  • Highest 4 September, 2025

    94.5 °F

Climate (2020–Present)

Bay City, Bay City Municipal Airport (11.8 miles)

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  • Average Low 2020–2025

    61.5 °F

  • Average 2020–2025

    70 °F

  • Average High 2020–2025

    79.7 °F
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