Rochester Weather Forecast

    • 5
    • 27

    Becoming Sunny

    • 21
    • 28

    Slight Chance Snow

    • 27
    • 38

    Mostly Cloudy

    • 24
    • 33

    Mostly Cloudy

    • 36
    • 40

    Cloudy

    • 27
    • 46

    Mostly Cloudy

Today 20 Dec Olmsted

Mostly sunny. Highs in the mid 20s. Temperature falling into the lower 20s this afternoon. West Winds 10 to 15 Mph. Gusts up to 30 Mph this afternoon.

Tonight 20 Dec Olmsted

Mostly clear. Lows around 4 above. Northwest Winds 10 to 20 Mph. Gusts up to 30 Mph in the evening.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Rochester Temperature Statistics

December Temperature

Rochester - St. Mary's Hospital Heliport (0.6 miles)

  • Lowest 14 December, 2025

    -9.6 °F

  • Average December

    17 °F

  • Highest 16 December, 2025

    42.3 °F

Climate (2020–Present)

Rochester - St. Mary's Hospital Heliport (0.6 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    40.2 °F

  • Average 2020–2025

    48.2 °F

  • Average High 2020–2025

    56.2 °F
Get WillyWeather+ to remove ads