Simpson Weather Forecast

    • 63
    • 80

    Increasing Clouds

    • 51
    • 74

    Chance Rain Showers

    • 52
    • 63

    Rain Showers

    • 56
    • 71

    Rain Showers

    • 49
    • 66

    Chance Rain Showers

    • 52
    • 64

    Chance Rain Showers

Today 11 Sep Olmsted

Mostly sunny. Highs in the lower 80s. South Winds 10 to 20 Mph with Gusts up to 30 Mph.

Tonight 11 Sep Olmsted

Partly cloudy. A chance of Showers with a slight chance of Thunderstorms after midnight. Lows in the mid 60s. South Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Simpson Temperature Statistics

September Temperature

Rochester, Rochester International Airport (3.7 miles)

  • Lowest 2 September, 2026

    63.6 °F

  • Average September

    74.1 °F

  • Highest 4 September, 2026

    89.7 °F

Climate (2021–2026)

Rochester, Rochester International Airport (3.7 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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