Roslyn Weather Forecast

    • 24
    • 44

    Cloudy

    • 27
    • 31

    Snow

    • 16
    • 33

    Mostly Cloudy

    • -3
    • 20

    Chance Snow

    • -2
    • 7

    Cold

    • 18
    • 28

    Partly Sunny

    • 30
    • 36

    Mostly Cloudy

Today 10 Dec Cumberland

Cloudy. Near steady temperature in the lower 30s. Northwest Winds 15 to 20 Mph with Gusts up to 35 Mph.

Tonight 10 Dec Cumberland

Cloudy, cooler with Lows in the mid 20s. Northwest Winds 10 to 15 Mph.

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  • Temperature Real-Time

Roslyn Temperature Statistics

December Temperature

Effingham, Effingham County Memorial Airport (13.7 miles)

  • Lowest 5 December, 2025

    7.7 °F

  • Average December

    26.5 °F

  • Highest 6 December, 2025

    42.1 °F

Climate (2020–Present)

Effingham, Effingham County Memorial Airport (13.7 miles)

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  • Average Low 2020–2025

    45.8 °F

  • Average 2020–2025

    55.6 °F

  • Average High 2020–2025

    65.7 °F
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