Cornerstone Weather Forecast

    • 47
    • 69

    Patchy Fog

    • 52
    • 73

    Mostly Sunny

    • 55
    • 76

    Mostly Sunny

    • 57
    • 78

    Mostly Sunny

    • 56
    • 78

    Rain Showers Likely

    • 50
    • 68

    Chance Rain Showers

    • 51
    • 67

    Mostly Cloudy

Today 30 Aug Lake

Mostly sunny. Highs in the upper 60s. Northeast Winds 5 to 10 Mph.

Tonight 30 Aug Lake

Clear this Evening, then becoming partly cloudy. Patchy fog after midnight. Lows in the upper 40s. Northeast Winds around 5 Mph, becoming southeast after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cornerstone Temperature Statistics

August Temperature

Ashtabula - Northeast Ohio Regional Airport (16.8 miles)

  • Lowest 1 August, 2025

    48.7 °F

  • Average August

    70.7 °F

  • Highest 11 August, 2025

    90.6 °F

Climate (2020–Present)

Ashtabula - Northeast Ohio Regional Airport (16.8 miles)

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  • Average Low 2020–2025

    43.2 °F

  • Average 2020–2025

    51.9 °F

  • Average High 2020–2025

    60.6 °F
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