Clarkson Weather Forecast

    • 54
    • 70

    Increasing Clouds

    • 63
    • 76

    Mostly Cloudy

    • 59
    • 76

    Rain Showers Likely

    • 48
    • 69

    Chance Rain Showers

    • 46
    • 64

    Chance Rain Showers

    • 44
    • 66

    Chance Rain Showers

Today 29 Sep Monroe

Mostly cloudy Early, then becoming partly sunny. Highs in the upper 60s. Light north Winds.

Tonight 29 Sep Monroe

Partly to mostly cloudy. Lows in the lower 50s. Light south Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Clarkson Temperature Statistics

September Temperature

Rochester, Greater Rochester International Airport (14.9 miles)

  • Lowest 25 September, 2026

    40.6 °F

  • Average September

    64.4 °F

  • Highest 2 September, 2026

    85.6 °F

Climate (2021–2026)

Rochester, Greater Rochester International Airport (14.9 miles)

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  • Average Low 2021–2026

    42.2 °F

  • Average 2021–2026

    50.8 °F

  • Average High 2021–2026

    59.5 °F
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