Washington Township Weather Forecast

    • 20
    • 28

    Mostly Cloudy

    • 18
    • 28

    Chance Snow Showers

    • 13
    • 25

    Partly Sunny

    • 17
    • 27

    Partly Sunny

    • 15
    • 29

    Partly Sunny

    • 19
    • 30

    Mostly Cloudy

Today 30 Dec Morris

Partly sunny in the Morning, then becoming mostly cloudy. Much Colder with Highs around 30. West Winds 15 to 20 Mph with Gusts up to 45 Mph.

Tonight 30 Dec Morris

Mostly cloudy. Cold with Lows in the lower 20s. West Winds 10 to 15 Mph. Gusts up to 30 Mph in the evening.

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Washington Township Temperature Statistics

December Temperature

Somerville, Somerset Airport (13 miles)

  • Lowest 9 December, 2025

    7 °F

  • Average December

    30.2 °F

  • Highest 19 December, 2025

    57 °F

Climate (2020–Present)

Somerville, Somerset Airport (13 miles)

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  • Average Low 2020–2025

    43.2 °F

  • Average 2020–2025

    54.4 °F

  • Average High 2020–2025

    65.7 °F
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