Cornish Flat Weather Forecast

    • 34
    • 59

    Increasing Clouds

    • 35
    • 57

    Mostly Sunny

    • 45
    • 56

    Rain

    • 46
    • 59

    Rain Showers

    • 47
    • 63

    Slight Chance Rain Showers

    • 49
    • 69

    Partly Sunny

Today 11 May Sullivan

Chance of frost in Sheltered Locations this morning. Partly sunny. Highs in the upper 50s. Light and variable Winds, becoming northwest around 10 Mph this afternoon.

Tonight 11 May Sullivan

Partly cloudy in the Evening, then clearing. Areas of frost after midnight. Lows in the mid 30s. Northwest Winds around 10 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cornish Flat Temperature Statistics

May Temperature

Lebanon Municipal Airport (8.7 miles)

  • Lowest 8 May, 2026

    32 °F

  • Average May

    51.2 °F

  • Highest 5 May, 2026

    84 °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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