Mertensia Park Weather Forecast

    • 32
    • 48

    Becoming Sunny

    • 54
    • 62

    Chance Rain Showers

    • 57
    • 71

    Rain Showers

    • 62
    • 73

    Rain Showers Likely

    • 58
    • 79

    Chance Rain Showers

    • 55
    • 74

    Chance Rain Showers

Today 11 Apr Ontario

Sunny. Highs Ranging from the lower 40s on the Hilltops to the upper 40s across the lower Elevations. Northwest Winds 10 to 15 Mph.

Tonight 11 Apr Ontario

Mainly clear. Lows in the lower 30s. Northwest Winds 10 Mph or less.

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  • Temperature Real-Time

Mertensia Park Temperature Statistics

April Temperature

Rochester, Greater Rochester International Airport (18.6 miles)

  • Lowest 8 April, 2026

    21.7 °F

  • Average April

    47.1 °F

  • Highest 3 April, 2026

    76.6 °F

Climate (2021–Present)

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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