Rochester International Airport Weather Forecast

    • 55
    • 61

    Rain Showers Likely

    • 49
    • 66

    Mostly Cloudy

    • 43
    • 59

    Slight Chance Rain Showers

    • 43
    • 60

    Mostly Sunny

    • 48
    • 63

    Mostly Sunny

    • 53
    • 65

    Partly Sunny

    • 54
    • 69

    Partly Sunny

Today 19 Sep Olmsted

Partly sunny. Highs around 70.

Tonight 19 Sep Olmsted

Cloudy. A slight chance of Showers this evening. Lows in the mid 50s. Northeast Winds 5 to 10 Mph. Chance of rain 20 percent.

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Rochester International Airport Temperature Statistics

September Temperature

Rochester, Rochester International Airport (0 miles)

  • Lowest 14 September, 2026

    45.6 °F

  • Average September

    68.5 °F

  • Highest 4 September, 2026

    89.7 °F

Climate (2021–2026)

Rochester, Rochester International Airport (0 miles)

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  • Average Low 2021–2026

    38 °F

  • Average 2021–2026

    47.1 °F

  • Average High 2021–2026

    56.6 °F
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