GreyStone Weather Forecast

    • 76
    • 84

    Thunderstorms

    • 76
    • 88

    Chance Thunderstorms

    • 77
    • 89

    Chance Thunderstorms

    • 78
    • 90

    Chance Thunderstorms

    • 77
    • 90

    Chance Thunderstorms

    • 77
    • 91

    Chance Thunderstorms

Today 18 Sep Metro Palm Beach County

Showers and Thunderstorms. Highs in the mid 80s. Northeast Winds 5 to 10 Mph. Chance of rain 80 percent.

Tonight 18 Sep Metro Palm Beach County

Mostly cloudy with a chance of Thunderstorms. Showers Likely, mainly this evening. Lows in the mid 70s. Northeast Winds 5 to 10 Mph, becoming north after midnight. Chance of rain 70 percent.

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GreyStone Temperature Statistics

September Temperature

Boca Raton, Boca Raton Airport (9.9 miles)

  • Lowest 14 September, 2025

    73.4 °F

  • Average September

    82.9 °F

  • Highest 1 September, 2025

    95 °F

Climate (2020–Present)

Boca Raton, Boca Raton Airport (9.9 miles)

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  • Average Low 2020–2025

    72 °F

  • Average 2020–2025

    79.5 °F

  • Average High 2020–2025

    85.5 °F
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