John Adams Weather Forecast

    • 55
    • 66

    Chance Rain Showers

    • 55
    • 72

    Mostly Cloudy

    • 57
    • 69

    Rain Showers Likely

    • 56
    • 70

    Chance Rain Showers

    • 47
    • 67

    Partly Sunny

    • 46
    • 63

    Slight Chance Rain Showers

Today 27 Sep Olmsted

Showers this Morning, then a chance of Showers with a slight chance of Thunderstorms this afternoon. Highs in the mid 60s. South Winds around 5 Mph. Chance of rain 100 percent.

Tonight 27 Sep Olmsted

Mostly cloudy. Areas of fog after midnight. Lows in the mid 50s. East Winds around 5 Mph in the Evening, becoming light and variable.

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John Adams Temperature Statistics

September Temperature

Rochester - St. Mary's Hospital Heliport (2.5 miles)

  • Lowest 23 September, 2026

    47.8 °F

  • Average September

    65.9 °F

  • Highest 4 September, 2026

    90.9 °F

Climate (2021–2026)

Rochester - St. Mary's Hospital Heliport (2.5 miles)

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  • Average Low 2021–2026

    40.1 °F

  • Average 2021–2026

    48.1 °F

  • Average High 2021–2026

    56.1 °F
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