Princeton Weather Forecast

    • 51
    • 72

    Decreasing Clouds

    • 48
    • 73

    Mostly Sunny

    • 52
    • 75

    Sunny

    • 62
    • 78

    Partly Sunny

    • 67
    • 80

    Chance Rain Showers

    • 64
    • 80

    Chance Rain Showers

Today 26 Sep Gibson

Mostly sunny. Highs in the lower 70s. Northeast Winds around 5 Mph.

Tonight 26 Sep Gibson

Partly cloudy. Lows in the lower 50s. Northeast Winds around 5 Mph.

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Princeton Temperature Statistics

September Temperature

Mount Carmel, Mount Carmel Municipal Airport (19.3 miles)

  • Lowest 8 September, 2026

    58.6 °F

  • Average September

    78.8 °F

  • Highest 4 September, 2026

    102.6 °F

Climate (2021–2026)

Mount Carmel, Mount Carmel Municipal Airport (19.3 miles)

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  • Average Low 2021–2026

    48.2 °F

  • Average 2021–2026

    58.3 °F

  • Average High 2021–2026

    68.6 °F
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