Succasunna Weather Forecast

    • 39
    • 45

    Rain

    • 23
    • 56

    Rain

    • 29
    • 37

    Mostly Cloudy

    • 21
    • 42

    Partly Sunny

    • 21
    • 33

    Partly Sunny

    • 29
    • 37

    Chance Rain/Snow

    • 26
    • 42

    Chance Rain

Today 18 Dec Morris

Mostly sunny. Highs in the mid 40s. Southeast Winds around 5 Mph.

Tonight 18 Dec Morris

A chance of rain this Evening, then rain after midnight. Not as cool with Lows in the upper 30s. Temperature rising to around 50 after midnight. Southeast Winds around 5 Mph, increasing to south 10 to 15 Mph with Gusts up to 35 Mph after midnight. Chance of rain near 100 percent.

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Succasunna Temperature Statistics

December Temperature

Andover, Aeroflex-Andover Airport (10.6 miles)

  • Lowest 9 December, 2025

    6.1 °F

  • Average December

    26.6 °F

  • Highest 1 December, 2025

    41 °F

Climate (2020–Present)

Andover, Aeroflex-Andover Airport (10.6 miles)

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  • Average Low 2020–2025

    43.9 °F

  • Average 2020–2025

    53.7 °F

  • Average High 2020–2025

    63.7 °F
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