Roslyn Weather Forecast

    • 71
    • 91

    Chance Thunderstorms

    • 66
    • 86

    Mostly Sunny

    • 73
    • 89

    Mostly Sunny

    • 64
    • 91

    Slight Chance Thunderstorms

    • 59
    • 80

    Mostly Sunny

    • 60
    • 80

    Partly Sunny

Today 18 Jul Cumberland

Sunny with Highs around 90. West Winds 5 to 10 Mph. Heat index Values up to 101.

Tonight 18 Jul Cumberland

Mostly clear. Near steady temperature in the mid 70s. Southwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Roslyn Temperature Statistics

July Temperature

Effingham, Effingham County Memorial Airport (13.7 miles)

  • Lowest 13 July, 2026

    66.6 °F

  • Average July

    78.5 °F

  • Highest 2 July, 2026

    93.4 °F

Climate (2021–2026)

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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