Mendham Weather Forecast

    • 25
    • 39

    Mostly Cloudy

    • 32
    • 48

    Chance Rain

    • 37
    • 53

    Chance Rain

    • 38
    • 54

    Chance Rain

    • 37
    • 59

    Chance Rain/Snow

    • 26
    • 50

    Mostly Sunny

Today 18 Mar Morris

Partly sunny. Highs in the upper 30s. Northwest Winds around 5 Mph, becoming southwest in the afternoon.

Tonight 18 Mar Morris

Partly cloudy in the Evening, then becoming mostly cloudy. Cold with Lows in the mid 20s. South Winds around 5 Mph.

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Mendham Temperature Statistics

March Temperature

Morristown Municipal (9.3 miles)

  • Lowest 2 March, 2026

    17.6 °F

  • Average March

    43.9 °F

  • Highest 10 March, 2026

    80.6 °F

Climate (2021–Present)

Morristown Municipal (9.3 miles)

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  • Average Low 2021–2026

    43.2 °F

  • Average 2021–2026

    51.8 °F

  • Average High 2021–2026

    64 °F
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