Roslyn Weather Forecast

    • 69
    • 80

    Rain Showers

    • 58
    • 82

    Rain Showers

    • 48
    • 68

    Mostly Cloudy

    • 54
    • 70

    Mostly Cloudy

    • 59
    • 72

    Chance Rain Showers

    • 61
    • 78

    Slight Chance Thunderstorms

Today 18 May Cumberland

Partly sunny with a chance of Showers and Thunderstorms this Morning, then Showers with Thunderstorms likely this afternoon. Locally heavy rainfall possible this afternoon. Highs in the lower 80s. South Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain near 100 percent.

Tonight 18 May Cumberland

Mostly cloudy with a chance of Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Lows in the upper 60s. South Winds around 15 Mph with Gusts up to 30 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Roslyn Temperature Statistics

May Temperature

Effingham, Effingham County Memorial Airport (13.7 miles)

  • Lowest 7 May, 2026

    38.1 °F

  • Average May

    58.2 °F

  • Highest 12 May, 2026

    79 °F

Climate (2021–Present)

Effingham, Effingham County Memorial Airport (13.7 miles)

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  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    55.9 °F

  • Average High 2021–2026

    66.1 °F
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