Roslyn Weather Forecast

    • 18
    • 53

    Chance Snow Showers

    • 25
    • 32

    Decreasing Clouds

    • 24
    • 48

    Partly Sunny

    • 23
    • 37

    Partly Sunny

    • 36
    • 43

    Mostly Cloudy

    • 44
    • 56

    Mostly Cloudy

    • 52
    • 60

    Mostly Cloudy

Today 18 Dec Cumberland

Showers, breezy with Highs in the lower 50s. Temperature falling into the mid 40s late. West Winds 20 to 25 Mph with Gusts up to 45 Mph. Chance of rain near 100 percent.

Tonight 18 Dec Cumberland

A chance of rain Showers this evening. Mostly cloudy with scattered snow Showers. Little or no snow accumulation. Blustery and much cooler with Lows around 18. West Winds 15 to 25 Mph with Gusts up to 40 Mph. Chance of precipitation 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Roslyn Temperature Statistics

December Temperature

Effingham, Effingham County Memorial Airport (13.7 miles)

  • Lowest 14 December, 2025

    0.9 °F

  • Average December

    26.6 °F

  • Highest 16 December, 2025

    49.5 °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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