Cornish Flat Weather Forecast

    • 32
    • 54

    Mostly Sunny

    • 47
    • 64

    Partly Sunny

    • 45
    • 66

    Mostly Sunny

    • 41
    • 60

    Partly Sunny

    • 41
    • 59

    Partly Sunny

    • 49
    • 66

    Mostly Cloudy

Today 6 Oct Sullivan

Areas of frost this morning. Mostly sunny. Highs in the lower 50s. Northwest Winds around 10 Mph with Gusts up to 30 Mph.

Tonight 6 Oct Sullivan

Mostly clear. Areas of frost in the Evening, then widespread frost with patchy fog after midnight. Lows in the lower 30s. Light and variable Winds. Gusts up to 20 Mph in the evening.

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Cornish Flat Temperature Statistics

October Temperature

Lebanon Municipal Airport (8.7 miles)

  • Lowest 4 October, 2026

    39 °F

  • Average October

    56.6 °F

  • Highest 2 October, 2026

    75.9 °F

Climate (2021–2026)

Lebanon Municipal Airport (8.7 miles)

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  • Average Low 2021–2026

    37.8 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    59.6 °F
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