Rochester International Airport Weather Forecast

    • 67
    • 88

    Mostly Sunny

    • 66
    • 86

    Chance Thunderstorms

    • 64
    • 81

    Chance Thunderstorms

    • 67
    • 79

    Chance Rain Showers

    • 66
    • 83

    Chance Rain Showers

    • 61
    • 82

    Slight Chance Rain Showers

Today 4 Sep Olmsted

Mostly sunny. A slight chance of Showers this morning. Highs in the upper 80s. Southwest Winds 5 to 10 Mph, becoming west this afternoon. Chance of rain 20 percent. Heat index Values in the mid 90s this afternoon.

Tonight 4 Sep Olmsted

Mostly clear in the Evening, then becoming partly cloudy. Humid with Lows in the upper 60s. Northeast Winds around 5 Mph. Heat index Values in the mid 90s early in the evening.

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Rochester International Airport Temperature Statistics

September Temperature

Rochester, Rochester International Airport (0 miles)

  • Lowest 1 September, 2026

    64 °F

  • Average September

    74.2 °F

  • Highest 1 September, 2026

    86 °F

Climate (2021–2026)

Rochester, Rochester International Airport (0 miles)

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  • Average Low 2021–2026

    37.9 °F

  • Average 2021–2026

    47.1 °F

  • Average High 2021–2026

    56.6 °F
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