Cornish Flat Weather Forecast

    • 48
    • 49

    Rain

    • 43
    • 68

    Mostly Cloudy

    • 41
    • 55

    Rain Showers

    • 34
    • 55

    Rain Showers

    • 28
    • 41

    Partly Sunny

    • 30
    • 47

    Partly Sunny

Today 13 Oct Sullivan

Rain this Morning, then rain with a slight chance of Thunderstorms this afternoon. Highs in the upper 40s. Southeast Winds around 10 Mph with Gusts up to 25 Mph. Chance of rain near 100 percent.

Tonight 13 Oct Sullivan

Rain with a chance of Thunderstorms in the Evening, then a chance of rain with a slight chance of Thunderstorms after midnight. Lows in the upper 40s. Light and variable Winds. Gusts up to 20 Mph in the evening. Chance of rain near 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cornish Flat Temperature Statistics

October Temperature

Lebanon Municipal Airport (8.7 miles)

  • Lowest 7 October, 2026

    28.9 °F

  • Average October

    51.3 °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

    37.7 °F

  • Average 2021–2026

    48.6 °F

  • Average High 2021–2026

    59.6 °F
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