Cornish Flat Weather Forecast

    • 50
    • 71

    Becoming Sunny

    • 53
    • 75

    Mostly Sunny

    • 62
    • 83

    Partly Sunny

    • 72
    • 89

    Slight Chance Thunderstorms

    • 67
    • 90

    Chance Thunderstorms

    • 66
    • 85

    Chance Rain Showers

Today 21 Jul Sullivan

Mostly sunny. Highs around 70. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 21 Jul Sullivan

Clear. Lows in the upper 40s. North Winds around 10 Mph with Gusts up to 25 Mph in the Evening, becoming light and variable.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Cornish Flat Temperature Statistics

July Temperature

Lebanon Municipal Airport (8.7 miles)

  • Lowest 19 July, 2025

    48 °F

  • Average July

    75.6 °F

  • Highest 16 July, 2025

    93.9 °F

Climate (2020–Present)

Lebanon Municipal Airport (8.7 miles)

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

  • Average Low 2020–2025

    38.2 °F

  • Average 2020–2025

    48.8 °F

  • Average High 2020–2025

    59.8 °F
Get WillyWeather+ to remove ads