Grammar Airport Weather Forecast

    • 60
    • 76

    Rain Showers

    • 49
    • 71

    Rain Showers Likely

    • 45
    • 63

    Rain Showers Likely

    • 40
    • 54

    Rain Showers Likely

    • 38
    • 54

    Partly Sunny

    • 38
    • 53

    Slight Chance Rain Showers

Today 4 Nov Ontario

Partly sunny Early, then becoming mostly cloudy. Warm with Highs Ranging from the lower 70s on the Hilltops to the upper 70s across the lower Elevations. South Winds 5 to 10 Mph.

Tonight 4 Nov Ontario

Mostly cloudy. Showers overnight. Breezy, warm with Lows around 60. South Winds 10 to 15 Mph. Chance of rain 80 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grammar Airport Temperature Statistics

November Temperature

Penn Yan, Penn Yan Airport (16.2 miles)

  • Lowest 1 November, 2026

    37.9 °F

  • Average November

    54.4 °F

  • Highest 2 November, 2026

    70 °F

Climate (2021–2026)

Penn Yan, Penn Yan Airport (16.2 miles)

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  • Average Low 2021–2026

    41.5 °F

  • Average 2021–2026

    50.2 °F

  • Average High 2021–2026

    59 °F
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