Grand Lake Weather Forecast

    • 70
    • 83

    Slight Chance Thunderstorms

    • 69
    • 84

    Rain Showers

    • 65
    • 78

    Rain Showers

    • 61
    • 79

    Chance Rain Showers

    • 63
    • 80

    Mostly Sunny

    • 66
    • 81

    Partly Sunny

Today 1 May Lower St. Martin

Mostly sunny. A slight chance of Showers and Thunderstorms in the afternoon. Highs in the mid 80s. South Winds 10 to 15 Mph. Chance of rain 20 percent.

Tonight 1 May Lower St. Martin

Partly cloudy. Lows around 70. South Winds 5 to 10 Mph.

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Grand Lake Temperature Statistics

May Temperature

Patterson Memorial (16.2 miles)

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Climate (2020–Present)

Patterson Memorial (16.2 miles)

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  • Average Low 2020–2025

    60.2 °F

  • Average 2020–2025

    67.8 °F

  • Average High 2020–2025

    76.7 °F
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