Georgetown Municipal Airport Weather Forecast

    • 76
    • 99

    Slight Chance Thunderstorms

    • 77
    • 99

    Hot

    • 76
    • 99

    Hot

    • 77
    • 100

    Hot

    • 77
    • 99

    Hot

    • 75
    • 98

    Hot

Today 9 Sep Williamson

Mostly sunny. A slight chance of Showers and Thunderstorms in the afternoon. Highs in the upper 90s. Southeast Winds 5 to 10 Mph. Chance of rain 20 percent. Highest heat index Readings up to 106.

Tonight 9 Sep Williamson

Mostly clear. Lows in the mid 70s. South Winds 5 to 10 Mph.

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Georgetown Municipal Airport Temperature Statistics

September Temperature

Georgetown, Georgetown Municipal Airport (0 miles)

  • Lowest 1 September, 2026

    75.9 °F

  • Average September

    87 °F

  • Highest 2 September, 2026

    102 °F

Climate (2021–2026)

Georgetown, Georgetown Municipal Airport (0 miles)

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  • Average Low 2021–2026

    59.6 °F

  • Average 2021–2026

    70 °F

  • Average High 2021–2026

    80.9 °F
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