Cornish Flat Weather Forecast

    • 26
    • 42

    Slight Chance Snow

    • 20
    • 39

    Chance Rain/Snow

    • 25
    • 46

    Mostly Sunny

    • 35
    • 55

    Mostly Cloudy

    • 45
    • 64

    Mostly Cloudy

    • 36
    • 61

    Slight Chance Rain Showers

Today 6 Apr Sullivan

Partly sunny. Highs in the lower 40s. Northwest Winds 15 to 20 Mph with Gusts up to 35 Mph.

Tonight 6 Apr Sullivan

Partly cloudy. A slight chance of snow after midnight. Lows in the mid 20s. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph in the Evening, becoming light and variable. Chance of snow 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cornish Flat Temperature Statistics

April Temperature

Lebanon Municipal Airport (8.7 miles)

  • Lowest 2 April, 2026

    36 °F

  • Average April

    43.7 °F

  • Highest 3 April, 2026

    55 °F

Climate (2021–Present)

Lebanon Municipal Airport (8.7 miles)

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  • Average Low 2021–2026

    38 °F

  • Average 2021–2026

    48.8 °F

  • Average High 2021–2026

    59.7 °F
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