Cornish Flat Weather Forecast

    • 47
    • 57

    Rain

    • 44
    • 57

    Rain Likely

    • 52
    • 73

    Partly Sunny

    • 48
    • 76

    Mostly Sunny

    • 53
    • 77

    Partly Sunny

    • 61
    • 87

    Slight Chance Rain Showers

Today 14 May Sullivan

Rain. Patchy fog. A slight chance of Thunderstorms this afternoon. Highs in the mid 50s. Southeast Winds around 10 Mph. Chance of rain near 100 percent.

Tonight 14 May Sullivan

A slight chance of Thunderstorms in the evening. Rain. Patchy fog. Lows in the mid 40s. Northeast Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain near 100 percent.

Graph Plots Open in Graphs

  • 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

    51 °F

  • Highest 5 May, 2026

    84 °F

Climate (2021–Present)

Lebanon Municipal Airport (8.7 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    38 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    59.7 °F
Get WillyWeather+ to remove ads