Grammar Airport Weather Forecast

    • 26
    • 31

    Chance Snow Showers

    • 11
    • 33

    Slight Chance Snow Showers

    • 3
    • 16

    Chance Snow Showers

    • 3
    • 10

    Chance Snow Showers

    • 7
    • 14

    Chance Snow Showers

    • 11
    • 19

    Slight Chance Snow Showers

Today 21 Jan Ontario

Mostly cloudy. A chance of snow Showers in the Morning, then snow Showers likely in the afternoon. Accumulation an inch or less. Highs in the lower 30s. South Winds 10 to 20 Mph with Gusts up to 30 Mph. Chance of snow 60 percent.

Tonight 21 Jan Ontario

Snow Showers likely in the Evening, then a chance of snow Showers overnight. Little or no additional accumulation. Windy and not as cold with Lows in the mid 20s. South Winds 20 to 30 Mph, becoming southwest and Diminishing to 10 to 15 Mph. Chance of snow 60 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Grammar Airport Temperature Statistics

January Temperature

Penn Yan, Penn Yan Airport (16.2 miles)

  • Lowest 1 January, 2026

    12 °F

  • Average January

    29.8 °F

  • Highest 9 January, 2026

    50 °F

Climate (2021–Present)

Penn Yan, Penn Yan Airport (16.2 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    41.9 °F

  • Average 2021–2026

    50.5 °F

  • Average High 2021–2026

    59.2 °F
Get WillyWeather+ to remove ads