Sister Island Weather Forecast

    • 76
    • 87

    Mostly Sunny

    • 77
    • 89

    Slight Chance Thunderstorms

    • 78
    • 90

    Chance Thunderstorms

    • 78
    • 91

    Chance Thunderstorms

    • 77
    • 91

    Rain Showers Likely

    • 75
    • 87

    Rain Showers Likely

    • 76
    • 85

    Chance Thunderstorms

Today 5 Jul Coastal Chatham

Mostly sunny with isolated Showers and Thunderstorms. Highs in the upper 80s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

Tonight 5 Jul Coastal Chatham

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 70s. South Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sister Island Temperature Statistics

July Temperature

Hunter U. S. Army Airfield (10.6 miles)

  • Lowest 2 July, 2022

    73 °F
  • Average July

    81 °F
  • Highest 3 July, 2022

    93.2 °F

Climate (2010–Present)

Hunter U. S. Army Airfield (10.6 miles)

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  • Average Low 2010–Present

    59.5 °F
  • Average 2010–Present

    68.2 °F
  • Average High 2010–Present

    78.1 °F
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