Sweeny Weather Forecast

    • 77
    • 93

    Slight Chance Thunderstorms

    • 75
    • 92

    Chance Thunderstorms

    • 76
    • 92

    Slight Chance Thunderstorms

    • 76
    • 91

    Chance Thunderstorms

    • 77
    • 91

    Chance Thunderstorms

    • 77
    • 91

    Slight Chance Thunderstorms

Today 6 Aug Inland Brazoria

Mostly sunny. Patchy fog in the morning. A chance of Showers and Thunderstorms in the afternoon. Humid with Highs in the mid 90s. South Winds 5 to 10 Mph. Chance of rain 40 percent. Heat index Values up to 105.

Tonight 6 Aug Inland Brazoria

Mostly clear. Patchy fog. Near steady temperature in the upper 70s. Southeast Winds around 5 Mph.

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Sweeny Temperature Statistics

August Temperature

Bay City, Bay City Municipal Airport (10.6 miles)

  • Lowest 1 August, 2026

    73.6 °F

  • Average August

    84.3 °F

  • Highest 2 August, 2026

    95 °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

    70.7 °F

  • Average High 2021–2026

    80.4 °F
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