Grammar Airport Weather Forecast

    • 64
    • 82

    Slight Chance Thunderstorms

    • 59
    • 79

    Chance Thunderstorms

    • 59
    • 77

    Mostly Sunny

    • 69
    • 85

    Partly Sunny

    • 72
    • 92

    Chance Rain Showers

    • 66
    • 87

    Chance Thunderstorms

Today 2 Jul Ontario

Sunny. 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 2 Jul Ontario

Mainly clear in the Evening, then becoming partly cloudy. Lows in the mid 60s. Light Winds.

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Grammar Airport Temperature Statistics

July Temperature

Penn Yan, Penn Yan Airport (16.2 miles)

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  • Average July

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Climate (2020–Present)

Penn Yan, Penn Yan Airport (16.2 miles)

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  • Average Low 2020–2025

    42.2 °F

  • Average 2020–2025

    50.7 °F

  • Average High 2020–2025

    59.3 °F
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