Cornish Flat Weather Forecast

    • 51
    • 71

    Rain Showers

    • 60
    • 81

    Mostly Sunny

    • 53
    • 79

    Partly Sunny

    • 47
    • 68

    Slight Chance Rain Showers

    • 48
    • 65

    Chance Rain Showers

    • 47
    • 62

    Slight Chance Rain Showers

Today 25 May Sullivan

Patchy fog in the morning. Showers in the Morning, then partly sunny with a slight chance of Showers in the afternoon. Warmer with Highs around 70. Light and variable Winds. Chance of rain near 100 percent.

Tonight 25 May Sullivan

Showers. Patchy fog. Lows in the upper 40s. Light and variable Winds. Chance of rain near 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cornish Flat Temperature Statistics

May Temperature

Lebanon Municipal Airport (8.7 miles)

  • Lowest 9 May, 2026

    30.9 °F

  • Average May

    55.9 °F

  • Highest 19 May, 2026

    90 °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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