Cornwall Weather Forecast

    • 52
    • 63

    Mostly Cloudy

    • 58
    • 77

    Chance Rain Showers

    • 62
    • 82

    Mostly Cloudy

    • 63
    • 85

    Chance Rain Showers

    • 62
    • 84

    Slight Chance Rain Showers

    • 57
    • 79

    Partly Sunny

Today 12 Apr Lebanon

Mostly sunny. Highs in the mid 60s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 12 Apr Lebanon

Partly cloudy in the Evening, then becoming mostly cloudy. Not as cool with Lows around 50. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Cornwall Temperature Statistics

April Temperature

Lancaster, Lancaster Airport (11.8 miles)

  • Lowest 8 April, 2026

    27 °F

  • Average April

    51.1 °F

  • Highest 4 April, 2026

    80.1 °F

Climate (2021–Present)

Lancaster, Lancaster Airport (11.8 miles)

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

  • Average Low 2021–2026

    45.9 °F

  • Average 2021–2026

    55.6 °F

  • Average High 2021–2026

    65.2 °F
Get WillyWeather+ to remove ads