Cornerstone Weather Forecast

    • 67
    • 81

    Chance Thunderstorms

    • 66
    • 82

    Rain Showers Likely

    • 62
    • 73

    Chance Thunderstorms

    • 66
    • 78

    Slight Chance Thunderstorms

    • 71
    • 84

    Chance Thunderstorms

    • 73
    • 87

    Mostly Sunny

Today 17 Jun Lake

Mostly cloudy with a chance of Thunderstorms. A chance of Showers. Highs in the lower 80s. South Winds around 5 Mph, becoming west this afternoon. Chance of rain 50 percent.

Tonight 17 Jun Lake

Mostly cloudy in the Evening, then becoming partly cloudy. A chance of Showers. A chance of Thunderstorms, mainly in the evening. Humid with Lows in the upper 60s. Southwest Winds 5 to 10 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cornerstone Temperature Statistics

June Temperature

Ashtabula - Northeast Ohio Regional Airport (16.8 miles)

  • Lowest 1 June, 2025

    38.6 °F

  • Average June

    64.4 °F

  • Highest 4 June, 2025

    87.7 °F

Climate (2020–Present)

Ashtabula - Northeast Ohio Regional Airport (16.8 miles)

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  • Average Low 2020–2025

    43.1 °F

  • Average 2020–2025

    51.7 °F

  • Average High 2020–2025

    60.5 °F
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