Sweeny Weather Forecast

    • 75
    • 93

    Slight Chance Thunderstorms

    • 74
    • 93

    Slight Chance Thunderstorms

    • 75
    • 94

    Slight Chance Thunderstorms

    • 76
    • 94

    Mostly Sunny

    • 74
    • 93

    Mostly Sunny

    • 73
    • 92

    Partly Sunny

    • 73
    • 91

    Mostly Sunny

Today 20 Sep Inland Brazoria

Sunny. Near steady temperature in the lower 90s. Southeast Winds 5 to 10 Mph.

Tonight 20 Sep Inland Brazoria

Partly cloudy. Humid with Lows in the mid 70s. Southeast Winds 5 to 10 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sweeny Temperature Statistics

September Temperature

Bay City, Bay City Municipal Airport (10.6 miles)

  • Lowest 18 September, 2026

    73.4 °F

  • Average September

    83 °F

  • Highest 7 September, 2026

    96.1 °F

Climate (2021–2026)

Bay City, Bay City Municipal Airport (10.6 miles)

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  • Average Low 2021–2026

    62.2 °F

  • Average 2021–2026

    70.8 °F

  • Average High 2021–2026

    80.6 °F
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