Grammar Airport Weather Forecast

    • 52
    • 71

    Chance Rain Showers

    • 46
    • 65

    Mostly Sunny

    • 43
    • 62

    Mostly Sunny

    • 54
    • 71

    Partly Sunny

    • 55
    • 71

    Rain Showers Likely

    • 49
    • 67

    Chance Rain Showers

Today 7 Oct Ontario

Becoming mostly sunny. Highs Ranging from the mid 60s on the Hilltops to the lower 70s across the lower Elevations. Southwest Winds 10 to 15 Mph.

Tonight 7 Oct Ontario

Partly cloudy with a chance of Showers. Warmer with Lows in the lower 50s. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Grammar Airport Temperature Statistics

October Temperature

Penn Yan, Penn Yan Airport (16.2 miles)

  • Lowest 3 October, 2026

    42.1 °F

  • Average October

    58.1 °F

  • Highest 1 October, 2026

    71.1 °F

Climate (2021–2026)

Penn Yan, Penn Yan Airport (16.2 miles)

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

  • Average Low 2021–2026

    41.7 °F

  • Average 2021–2026

    50.3 °F

  • Average High 2021–2026

    59 °F
Get WillyWeather+ to remove ads