Mertensia Park Weather Forecast

    • 58
    • 76

    Slight Chance Rain Showers

    • 59
    • 79

    Mostly Cloudy

    • 61
    • 81

    Partly Sunny

    • 69
    • 86

    Partly Sunny

    • 75
    • 93

    Chance Rain Showers

    • 76
    • 93

    Chance Thunderstorms

    • 74
    • 92

    Chance Rain Showers

Today 26 Jun Ontario

Partly sunny Early, then becoming mostly cloudy. Highs Ranging from the lower 70s on the Hilltops to the mid 70s across the lower Elevations. Northwest Winds 5 to 10 Mph.

Tonight 26 Jun Ontario

Mostly cloudy this Evening, then becoming partly cloudy with some patchy fog developing after midnight. Lows in the upper 50s. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mertensia Park Temperature Statistics

June Temperature

Rochester, Greater Rochester International Airport (18.6 miles)

  • Lowest 2 June, 2026

    43.6 °F

  • Average June

    67.9 °F

  • Highest 11 June, 2026

    91.7 °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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