Grammar Airport Weather Forecast

    • 76
    • 96

    Chance Rain Showers

    • 76
    • 97

    Hot

    • 70
    • 92

    Chance Thunderstorms

    • 68
    • 89

    Chance Thunderstorms

    • 67
    • 84

    Chance Rain Showers

    • 65
    • 84

    Chance Thunderstorms

Today 1 Jul Ontario

Mostly sunny. Hot with Highs Ranging from around 90 on the Hilltops to the mid 90s across the lower Elevations. Southwest Winds 5 to 10 Mph, becoming west 10 to 15 Mph. Heat index Values up to 110.

Tonight 1 Jul Ontario

Mainly clear. Very warm and muggy with Lows in the mid 70s. West Winds 10 to 15 Mph, becoming light.

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Grammar Airport Temperature Statistics

July Temperature

Penn Yan, Penn Yan Airport (16.2 miles)

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Climate (2021–2026)

Penn Yan, Penn Yan Airport (16.2 miles)

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  • Average Low 2021–2026

    41.7 °F

  • Average 2021–2026

    50.3 °F

  • Average High 2021–2026

    59 °F
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