Newark Reservoir Weather Forecast

    • 59
    • 81

    Increasing Clouds

    • 43
    • 67

    Partly Sunny

    • 49
    • 69

    Mostly Sunny

    • 62
    • 79

    Partly Sunny

    • 63
    • 82

    Chance Rain Showers

    • 61
    • 80

    Chance Rain Showers

Today 18 Sep Ontario

Sunny, warm with Highs Ranging from the mid 70s on the Hilltops to the lower 80s across the lower Elevations. Light Winds, becoming northwest around 10 Mph.

Tonight 18 Sep Ontario

Mainly clear Early, then becoming mostly cloudy with some patchy fog developing late. Lows in the upper 50s. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Newark Reservoir Temperature Statistics

September Temperature

Penn Yan, Penn Yan Airport (19.9 miles)

  • Lowest 8 September, 2025

    45 °F

  • Average September

    62.4 °F

  • Highest 3 September, 2025

    81 °F

Climate (2020–Present)

Penn Yan, Penn Yan Airport (19.9 miles)

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  • Average Low 2020–2025

    42.1 °F

  • Average 2020–2025

    50.6 °F

  • Average High 2020–2025

    59.3 °F
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