Hearthstone Lakes Weather Forecast

    • 74
    • 91

    Becoming Sunny

    • 75
    • 94

    Chance Thunderstorms

    • 74
    • 88

    Thunderstorms

    • 73
    • 84

    Rain Showers

    • 73
    • 87

    Thunderstorms Likely

    • 70
    • 90

    Chance Thunderstorms

    • 69
    • 88

    Mostly Sunny

Today 20 Aug Coastal Jasper

Mostly sunny. Highs in the lower 90s. North Winds 5 to 10 Mph.

Tonight 20 Aug Coastal Jasper

Partly cloudy this Evening, then clearing. Lows in the mid 70s. Northwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hearthstone Lakes Temperature Statistics

August Temperature

Hilton Head Island, Hilton Head Airport (16.2 miles)

  • Lowest 3 August, 2025

    73.4 °F

  • Average August

    79.4 °F

  • Highest 1 August, 2025

    93.2 °F

Climate (2020–Present)

Hilton Head Island, Hilton Head Airport (16.2 miles)

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  • Average Low 2020–2025

    61.1 °F

  • Average 2020–2025

    66.6 °F

  • Average High 2020–2025

    75.1 °F
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