Mertensia Park Weather Forecast

    • 38
    • 43

    Mostly Cloudy

    • 13
    • 42

    Snow Showers Likely

    • 11
    • 17

    Snow Showers Likely

    • 19
    • 26

    Mostly Cloudy

    • 18
    • 34

    Chance Snow Showers

    • 13
    • 25

    Chance Snow Showers

Today 13 Jan Ontario

Partly sunny in the Morning, then becoming mostly cloudy. Highs Ranging from the upper 30s on the Hilltops to the lower 40s across the lower Elevations. Southwest Winds 5 to 10 Mph, becoming south 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 13 Jan Ontario

Mostly cloudy. Lows around 30. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph, Diminishing to 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Mertensia Park Temperature Statistics

January Temperature

Rochester, Greater Rochester International Airport (18.6 miles)

  • Lowest 1 January, 2026

    9 °F

  • Average January

    30.6 °F

  • Highest 9 January, 2026

    57.9 °F

Climate (2021–Present)

Rochester, Greater Rochester International Airport (18.6 miles)

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

  • Average Low 2021–2026

    42.4 °F

  • Average 2021–2026

    50.9 °F

  • Average High 2021–2026

    59.5 °F
Get WillyWeather+ to remove ads