Cornish Flat Weather Forecast

    • 29
    • 38

    Rain Likely

    • 30
    • 57

    Rain

    • 14
    • 35

    Partly Sunny

    • 22
    • 33

    Mostly Cloudy

    • 28
    • 44

    Mostly Cloudy

    • 29
    • 46

    Chance Rain/Snow

Today 15 Mar Sullivan

Mostly cloudy. Highs in the upper 30s. Light and variable Winds, becoming southeast around 10 Mph with Gusts up to 20 Mph in the afternoon.

Tonight 15 Mar Sullivan

Partly cloudy this Evening, then clearing. Lows in the lower 20s. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cornish Flat Temperature Statistics

March Temperature

Lebanon Municipal Airport (8.7 miles)

  • Lowest 2 March, 2026

    -6 °F

  • Average March

    34.3 °F

  • Highest 10 March, 2026

    73 °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

    59.8 °F
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