Rochester International Airport Weather Forecast

    • 58
    • 61

    Rain Showers

    • 55
    • 66

    Chance Rain Showers

    • 49
    • 65

    Chance Rain Showers

    • 45
    • 58

    Chance Rain Showers

    • 43
    • 59

    Partly Sunny

    • 46
    • 61

    Partly Sunny

Today 18 Sep Olmsted

Showers. A slight chance of Thunderstorms Early, then a chance of Thunderstorms this afternoon. Cooler. Near steady temperature around 60. East Winds 10 to 15 Mph. Chance of rain 100 percent.

Tonight 18 Sep Olmsted

Showers with a chance of Thunderstorms. Some Thunderstorms may produce heavy rainfall after midnight. Locally heavy rainfall possible in the evening. Lows in the mid 50s. East Winds 10 to 20 Mph. Gusts up to 30 Mph in the evening. Chance of rain 100 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

    68.9 °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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