Grammar Airport Weather Forecast

    • 12
    • 28

    Chance Snow Showers

    • 13
    • 23

    Mostly Cloudy

    • 11
    • 22

    Snow Likely

    • 1
    • 29

    Snow Likely

    • 2
    • 9

    Cold

    • 3
    • 12

    Mostly Cloudy

Today 3 Feb Ontario

Partly sunny in the Morning, then becoming mostly cloudy. Highs Ranging from the lower 20s on the Hilltops to the upper 20s across the lower Elevations. Light Winds, becoming west 5 to 10 Mph.

Tonight 3 Feb Ontario

Mostly cloudy and cold. Temperatures rising to around 10 above on the Hilltops and to between 10 and 15 across the lower Elevations. Light southwest Winds.

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Grammar Airport Temperature Statistics

February Temperature

Penn Yan, Penn Yan Airport (16.2 miles)

  • Lowest

  • Average February

  • Highest

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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