Mertensia Park Weather Forecast

    • 60
    • 83

    Mostly Sunny

    • 64
    • 85

    Increasing Clouds

    • 65
    • 86

    Chance Rain Showers

    • 66
    • 86

    Rain Showers

    • 63
    • 81

    Rain Showers

    • 61
    • 77

    Chance Rain Showers

    • 62
    • 80

    Mostly Sunny

Today 24 Jul Ontario

Sunny. Highs Ranging from the mid 70s on the Hilltops to the lower 80s across the lower Elevations. Light south Winds.

Tonight 24 Jul Ontario

Mainly clear. Lows around 60. Light Winds.

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Mertensia Park Temperature Statistics

July Temperature

Rochester, Greater Rochester International Airport (18.6 miles)

  • Lowest 20 July, 2026

    53.7 °F

  • Average July

    73.8 °F

  • Highest 1 July, 2026

    94.6 °F

Climate (2021–2026)

Rochester, Greater Rochester International Airport (18.6 miles)

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  • Average Low 2021–2026

    42.3 °F

  • Average 2021–2026

    50.8 °F

  • Average High 2021–2026

    59.5 °F
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