Mertensia Park Weather Forecast

    • 66
    • 84

    Rain Showers Likely

    • 65
    • 84

    Rain Showers Likely

    • 63
    • 82

    Chance Rain Showers

    • 65
    • 85

    Rain Showers Likely

    • 61
    • 80

    Chance Thunderstorms

    • 60
    • 79

    Chance Rain Showers

    • 57
    • 77

    Chance Thunderstorms

Today 7 Aug Ontario

Showers likely with a chance of Thunderstorms. Highs Ranging from the upper 70s on the Hilltops to the mid 80s across the lower Elevations. Light Winds. Chance of rain 70 percent.

Tonight 7 Aug Ontario

Partly to mostly cloudy. Showers likely with a chance of Thunderstorms Early, then a chance of Showers and Thunderstorms late this evening. Lows in the mid 60s. Light Winds. Chance of rain 60 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mertensia Park Temperature Statistics

August Temperature

Rochester, Greater Rochester International Airport (18.6 miles)

  • Lowest 4 August, 2026

    57.7 °F

  • Average August

    72.8 °F

  • Highest 5 August, 2026

    87.1 °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

    59.6 °F
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