Cornish Flat Weather Forecast

    • 8
    • 28

    Decreasing Clouds

    • 13
    • 30

    Partly Sunny

    • 11
    • 33

    Mostly Cloudy

    • 16
    • 33

    Mostly Cloudy

    • 21
    • 36

    Mostly Cloudy

    • 25
    • 40

    Partly Sunny

Today 12 Feb Sullivan

Partly sunny. Highs in the upper 20s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 12 Feb Sullivan

Partly cloudy. Lows around 16. Northwest Winds around 10 Mph with Gusts up to 25 Mph.

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  • Temperature Real-Time

Cornish Flat Temperature Statistics

February Temperature

Lebanon Municipal Airport (8.7 miles)

  • Lowest 9 February, 2026

    -11 °F

  • Average February

    12.1 °F

  • Highest 3 February, 2026

    35.1 °F

Climate (2021–Present)

Lebanon Municipal Airport (8.7 miles)

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  • Average Low 2021–2026

    38 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    59.7 °F
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