Roslyn Weather Forecast

    • 71
    • 90

    Mostly Cloudy

    • 64
    • 89

    Rain Showers

    • 48
    • 71

    Rain Showers Likely

    • 48
    • 72

    Mostly Sunny

    • 48
    • 75

    Mostly Sunny

    • 42
    • 70

    Sunny

    • 46
    • 69

    Mostly Sunny

Today 30 Sep Cumberland

Mostly sunny. Highs in the mid 70s.

Tonight 30 Sep Cumberland

Mostly cloudy. Near steady temperature in the lower 70s. South Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Roslyn Temperature Statistics

September Temperature

Effingham, Effingham County Memorial Airport (13.7 miles)

  • Lowest 28 September, 2026

    47.7 °F

  • Average September

    74.3 °F

  • Highest 4 September, 2026

    98.6 °F

Climate (2021–2026)

Effingham, Effingham County Memorial Airport (13.7 miles)

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  • Average Low 2021–2026

    46.2 °F

  • Average 2021–2026

    56 °F

  • Average High 2021–2026

    66.2 °F
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