Cornwall Weather Forecast

    • 18
    • 22

    Snow

    • 3
    • 26

    Partly Sunny

    • 3
    • 19

    Partly Sunny

    • 5
    • 19

    Mostly Cloudy

    • 6
    • 19

    Mostly Cloudy

    • 8
    • 20

    Partly Sunny

Today 25 Jan Lebanon

Snow. A slight chance of sleet in the afternoon. Snow may be heavy at Times. Additional snow and sleet accumulation of 6 to 10 Inches. Highs in the lower 20s. East Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of precipitation near 100 percent. Wind chill Values as low as 1 below.

Tonight 25 Jan Lebanon

Snow. Snow may be heavy at Times. Snow accumulation of 1 to 3 Inches. Near steady temperature around 12. East Winds 5 to 10 Mph. Chance of snow near 100 percent. Wind chill Values as low as 1 below.

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Cornwall Temperature Statistics

January Temperature

Lancaster, Lancaster Airport (11.8 miles)

  • Lowest 21 January, 2026

    -4 °F

  • Average January

    31.2 °F

  • Highest 7 January, 2026

    55 °F

Climate (2021–Present)

Lancaster, Lancaster Airport (11.8 miles)

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  • Average Low 2021–2026

    46.1 °F

  • Average 2021–2026

    55.7 °F

  • Average High 2021–2026

    65.3 °F
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