Sussex Weather Forecast

    • 17
    • 34

    Increasing Clouds

    • 23
    • 38

    Snow

    • 12
    • 29

    Partly Sunny

    • 15
    • 28

    Mostly Cloudy

    • 20
    • 33

    Mostly Cloudy

    • 28
    • 42

    Mostly Cloudy

Today 12 Dec Sussex

Sunny, cold with Highs in the lower 30s. West Winds 5 to 10 Mph with Gusts up to 25 Mph.

Tonight 12 Dec Sussex

Mostly clear in the Evening, then becoming mostly cloudy. Cold with Lows around 16. West Winds around 5 Mph.

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Sussex Temperature Statistics

December Temperature

Sussex, Sussex Airport (0.6 miles)

  • Lowest 9 December, 2025

    6.1 °F

  • Average December

    28.9 °F

  • Highest 1 December, 2025

    41 °F

Climate (2020–Present)

Sussex, Sussex Airport (0.6 miles)

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  • Average Low 2020–2025

    42.2 °F

  • Average 2020–2025

    52.7 °F

  • Average High 2020–2025

    63.3 °F
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