Farnham Weather Forecast

    • 56
    • 77

    Mostly Sunny

    • 61
    • 80

    Mostly Sunny

    • 61
    • 78

    Rain Showers

    • 56
    • 71

    Chance Thunderstorms

    • 55
    • 71

    Partly Sunny

    • 58
    • 75

    Partly Sunny

    • 62
    • 79

    Mostly Cloudy

Today 20 Aug Ashtabula Inland

Partly cloudy with a slight chance of Showers and Thunderstorms. Near steady temperature in the mid 70s. Northeast Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 20 Aug Ashtabula Inland

Mostly clear. Lows in the mid 50s. Northeast Winds 5 to 10 Mph, becoming east after midnight.

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Farnham Temperature Statistics

August Temperature

Ashtabula - Northeast Ohio Regional Airport (9.9 miles)

  • Lowest 4 August, 2026

    50 °F

  • Average August

    71.7 °F

  • Highest 8 August, 2026

    84.9 °F

Climate (2021–2026)

Ashtabula - Northeast Ohio Regional Airport (9.9 miles)

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  • Average Low 2021–2026

    42.6 °F

  • Average 2021–2026

    51.6 °F

  • Average High 2021–2026

    60.6 °F
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