Savannah River Mouth Weather Forecast

    • 79
    • 90

    Chance Thunderstorms

    • 81
    • 93

    Mostly Sunny

    • 81
    • 95

    Slight Chance Thunderstorms

    • 79
    • 94

    Chance Thunderstorms

    • 79
    • 89

    Thunderstorms Likely

    • 79
    • 87

    Chance Thunderstorms

    • 79
    • 87

    Chance Thunderstorms

Today 18 Jul Coastal Chatham

Mostly sunny with a chance of Showers and Thunderstorms. Highs in the lower 90s. Heat index Values up to 108. South Winds 5 to 10 Mph. Chance of rain 40 percent.

Tonight 18 Jul Coastal Chatham

Partly cloudy with a slight chance of Showers and Thunderstorms in the Evening, then mostly clear after midnight. Lows in the upper 70s. Southwest Winds 5 to 10 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Savannah River Mouth Temperature Statistics

July Temperature

Hunter U. S. Army Airfield (15.5 miles)

  • Lowest 6 July, 2025

    71.8 °F

  • Average July

    82 °F

  • Highest 13 July, 2025

    93.9 °F

Climate (2020–Present)

Hunter U. S. Army Airfield (15.5 miles)

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  • Average Low 2020–2025

    59.5 °F

  • Average 2020–2025

    68.1 °F

  • Average High 2020–2025

    77.9 °F
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