Grammar Airport Weather Forecast

    • 44
    • 70

    Mostly Sunny

    • 48
    • 67

    Chance Rain Showers

    • 32
    • 67

    Rain Showers

    • 24
    • 36

    Mostly Cloudy

    • 28
    • 41

    Rain/Snow Likely

    • 28
    • 37

    Rain/Snow Likely

    • 28
    • 49

    Rain/Snow Likely

Today 9 Mar Ontario

Sunny, warm with Highs Ranging from the mid 60s on the Hilltops to the lower 70s across the lower Elevations. Southwest Winds 10 to 20 Mph with Gusts up to 35 Mph.

Tonight 9 Mar Ontario

Mainly clear. Lows in the mid 40s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph this Evening, Diminishing to 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grammar Airport Temperature Statistics

March Temperature

Penn Yan, Penn Yan Airport (16.2 miles)

  • Lowest 2 March, 2026

    10 °F

  • Average March

    33.8 °F

  • Highest 7 March, 2026

    64 °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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