Grammar Airport Weather Forecast

    • 15
    • 38

    Snow

    • 8
    • 18

    Chance Snow Showers

    • 30
    • 34

    Snow Likely

    • 25
    • 42

    Mostly Cloudy

    • 21
    • 30

    Mostly Cloudy

    • 30
    • 38

    Rain/Snow Likely

    • 26
    • 48

    Chance Rain Showers

Today 31 Jan Ontario

Rain. Areas of fog. Highs in the upper 30s. Light Winds. Chance of rain near 100 percent.

Tonight 31 Jan Ontario

Rain and snow Early, then snow this evening. Snow likely after Midnight, then a chance of snow Showers late. Accumulation 2 to 3 Inches. Lows 10 to 15. Light Winds, becoming north 10 to 15 Mph. Chance of precipitation near 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grammar Airport Temperature Statistics

January Temperature

Penn Yan, Penn Yan Airport (16.2 miles)

  • Lowest 22 January, 2025

    -1.2 °F

  • Average January

    23 °F

  • Highest 1 January, 2025

    43.6 °F

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

    50.6 °F

  • Average High 2020–2025

    59.2 °F
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