Grammar Airport Weather Forecast

    • 55
    • 80

    Mostly Sunny

    • 59
    • 83

    Partly Sunny

    • 64
    • 86

    Mostly Cloudy

    • 60
    • 81

    Chance Thunderstorms

    • 56
    • 75

    Chance Thunderstorms

    • 56
    • 76

    Slight Chance Rain Showers

Today 3 Jun Ontario

Sunny. Highs Ranging from the mid 70s on the Hilltops to around 80 across the lower Elevations. Light northwest Winds.

Tonight 3 Jun Ontario

Mainly clear. Lows in the mid 50s. Light southwest Winds.

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Grammar Airport Temperature Statistics

June Temperature

Penn Yan, Penn Yan Airport (16.2 miles)

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  • Average June

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Climate (2021–Present)

Penn Yan, Penn Yan Airport (16.2 miles)

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  • Average Low 2021–2026

    41.8 °F

  • Average 2021–2026

    50.4 °F

  • Average High 2021–2026

    59.1 °F
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