Grammar Airport Weather Forecast

    • 27
    • 36

    Chance Snow

    • 23
    • 31

    Snow

    • 14
    • 26

    Slight Chance Snow Showers

    • 14
    • 27

    Mostly Cloudy

    • 16
    • 32

    Partly Sunny

    • 28
    • 35

    Snow Showers Likely

Today 10 Feb Ontario

Mostly cloudy. A chance of snow this Morning, then a chance of rain early this afternoon. Rain likely late. Highs in the upper 30s. Light Winds, becoming southwest 10 to 15 Mph. Chance of precipitation 60 percent.

Tonight 10 Feb Ontario

Mostly cloudy. A chance of rain in the Evening, then a chance of snow Showers overnight. Lows Ranging from the lower 20s on the Hilltops to the mid 20s across the lower Elevations. West Winds 10 to 20 Mph with Gusts up to 30 Mph overnight. Chance of precipitation 40 percent.

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Grammar Airport Temperature Statistics

February Temperature

Penn Yan, Penn Yan Airport (16.2 miles)

  • Lowest 7 February, 2026

    -2 °F

  • Average February

    14 °F

  • Highest 3 February, 2026

    28 °F

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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