Cornerstone Weather Forecast

    • 41
    • 59

    Mostly Sunny

    • 40
    • 63

    Mostly Sunny

    • 35
    • 60

    Sunny

    • 41
    • 64

    Mostly Sunny

    • 49
    • 69

    Partly Sunny

    • 46
    • 65

    Mostly Cloudy

Today 21 Oct Lake

Sunny. Highs around 60. Southeast Winds around 5 Mph, becoming north in the afternoon.

Tonight 21 Oct Lake

Mostly clear. Patchy fog. Lows in the lower 40s. Northeast Winds around 5 Mph in the Evening, becoming light and variable.

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Cornerstone Temperature Statistics

October Temperature

Ashtabula - Northeast Ohio Regional Airport (16.8 miles)

  • Lowest 18 October, 2026

    33.1 °F

  • Average October

    57.1 °F

  • Highest 13 October, 2026

    84.9 °F

Climate (2021–2026)

Ashtabula - Northeast Ohio Regional Airport (16.8 miles)

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  • Average Low 2021–2026

    42.4 °F

  • Average 2021–2026

    51.5 °F

  • Average High 2021–2026

    60.5 °F
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