Lebanon Weather Forecast

    • 20
    • 34

    Decreasing Clouds

    • 32
    • 46

    Mostly Cloudy

    • 39
    • 58

    Mostly Cloudy

    • 50
    • 57

    Rain Likely

    • 31
    • 67

    Rain Likely

    • 27
    • 46

    Chance Snow

Today 28 Mar Southern Grafton

Partly sunny. Isolated snow Showers this afternoon. Highs in the lower 30s. Northwest Winds around 10 Mph. Gusts up to 25 Mph this afternoon. Chance of snow 20 percent.

Tonight 28 Mar Southern Grafton

Partly cloudy with isolated snow Showers in the Evening, then mostly clear after midnight. Lows around 17. Northwest Winds around 10 Mph with Gusts up to 25 Mph in the Evening, becoming light and variable. Chance of snow 20 percent.

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Lebanon Temperature Statistics

March Temperature

Lebanon Municipal Airport (2.5 miles)

  • Lowest 2 March, 2026

    -6 °F

  • Average March

    36 °F

  • Highest 10 March, 2026

    73 °F

Climate (2021–Present)

Lebanon Municipal Airport (2.5 miles)

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  • Average Low 2021–2026

    38 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    59.7 °F
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