Mendham Weather Forecast

    • 14
    • 29

    Snow

    • 16
    • 28

    Mostly Cloudy

    • 21
    • 30

    Partly Sunny

    • 26
    • 42

    Mostly Cloudy

    • 35
    • 48

    Mostly Cloudy

    • 23
    • 45

    Slight Chance Rain

Today 14 Dec Morris

Snow this Morning, then partly sunny this afternoon. Areas of blowing snow. Snow accumulation of 1 to 3 Inches. Cold with Highs in the upper 20s. Temperature falling into the lower 20s this afternoon. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of snow near 100 percent.

Tonight 14 Dec Morris

Partly cloudy. Cold with Lows around 14. Northwest Winds around 15 Mph with Gusts up to 30 Mph. Wind chill Values as low as 3 below.

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Mendham Temperature Statistics

December Temperature

Morristown Municipal (9.3 miles)

  • Lowest 9 December, 2025

    8.6 °F

  • Average December

    29.1 °F

  • Highest 1 December, 2025

    42.8 °F

Climate (2020–Present)

Morristown Municipal (9.3 miles)

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  • Average Low 2020–2025

    43.3 °F

  • Average 2020–2025

    51.9 °F

  • Average High 2020–2025

    64.1 °F
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