Roslyn Weather Forecast

    • 70
    • 88

    Chance Thunderstorms

    • 63
    • 84

    Partly Sunny

    • 67
    • 85

    Rain Showers Likely

    • 64
    • 83

    Chance Thunderstorms

    • 61
    • 80

    Partly Sunny

    • 62
    • 81

    Mostly Sunny

Today 16 Aug Cumberland

Mostly cloudy with a chance of Showers and Thunderstorms. Highs in the upper 80s. West Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 50 percent. Heat index Values up to 101.

Tonight 16 Aug Cumberland

Partly cloudy in the Evening, then becoming mostly cloudy. A chance of Showers and Thunderstorms. Humid with Lows around 70. Northwest Winds around 5 Mph. Chance of rain 40 percent.

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Roslyn Temperature Statistics

August Temperature

Effingham, Effingham County Memorial Airport (13.7 miles)

  • Lowest 4 August, 2026

    62.6 °F

  • Average August

    76.7 °F

  • Highest 11 August, 2026

    92.5 °F

Climate (2021–2026)

Effingham, Effingham County Memorial Airport (13.7 miles)

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  • Average Low 2021–2026

    46.1 °F

  • Average 2021–2026

    56 °F

  • Average High 2021–2026

    66.1 °F
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