Mertensia Park Weather Forecast

    • 10
    • 16

    Snow Showers Likely

    • 25
    • 34

    Chance Snow Showers

    • 10
    • 31

    Chance Snow Showers

    • 0
    • 17

    Slight Chance Snow Showers

    • 0
    • 9

    Slight Chance Snow Showers

    • 3
    • 13

    Mostly Cloudy

Today 20 Jan Ontario

Partly sunny. Lake effect snow Showers likely Early, then a chance of snow Showers late this morning. Lake effect snow Showers likely this afternoon. Patchy blowing snow through early afternoon. Additional accumulation an inch or less. Cold with Highs Ranging from around 10 above on the Hilltops to 15 to 20 across the lower Elevations. West Winds 10 to 20 Mph with Gusts up to 35 Mph. Chance of snow 70 percent.

Tonight 20 Jan Ontario

Mostly cloudy with a chance of snow Showers in the Evening, then partly cloudy overnight. Lows 5 to 10 above. Southwest Winds 10 to 15 Mph. Chance of snow 40 percent.

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  • 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

    30.7 °F

  • Highest 9 January, 2026

    57.9 °F

Climate (2021–Present)

Rochester, Greater Rochester International Airport (18.6 miles)

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  • Average Low 2021–2026

    42.4 °F

  • Average 2021–2026

    50.8 °F

  • Average High 2021–2026

    59.5 °F
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