Bethlehem Weather Forecast

    • 6
    • 24

    Snow Likely

    • -3
    • 12

    Partly Sunny

    • 15
    • 21

    Chance Snow

    • 23
    • 32

    Snow Likely

    • 13
    • 30

    Chance Snow

    • 9
    • 25

    Chance Snow

Today 7 Dec Northern Grafton

Partly sunny in the Morning, then mostly cloudy with a chance of snow Showers in the afternoon. Highs in the mid 20s. Light and variable Winds. Gusts up to 20 Mph in the morning. Chance of snow 50 percent.

Tonight 7 Dec Northern Grafton

Mostly cloudy. Snow Likely, mainly in the evening. Snow accumulation around an inch possible. Lows around 7 above. Light and variable Winds, becoming northwest around 10 Mph with Gusts up to 25 Mph after midnight. Chance of snow 70 percent. Wind chill Values as low as 2 below after midnight.

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Bethlehem Temperature Statistics

December Temperature

Whitefield - Mount Washington Regional Airport (8.7 miles)

  • Lowest 4 December, 2025

    1.9 °F

  • Average December

    20.9 °F

  • Highest 1 December, 2025

    35.1 °F

Climate (2020–Present)

Whitefield - Mount Washington Regional Airport (8.7 miles)

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  • Average Low 2020–2025

    32.8 °F

  • Average 2020–2025

    44.2 °F

  • Average High 2020–2025

    55.5 °F
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