Grand Lake Weather Forecast

    • 40
    • 69

    Chance Rain Showers

    • 28
    • 46

    Mostly Sunny

    • 29
    • 40

    Mostly Cloudy

    • 22
    • 34

    Snow Showers Likely

    • 29
    • 40

    Mostly Cloudy

    • 35
    • 50

    Chance Rain Showers

Today 18 Jan Lower St. Martin

Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms in the Morning, then partly sunny with a slight chance of Showers in the afternoon. Highs in the lower 70s. West Winds 5 to 10 Mph. Chance of rain 40 percent.

Tonight 18 Jan Lower St. Martin

Partly cloudy. Much cooler. Less humid with Lows around 40. Northwest Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grand Lake Temperature Statistics

January Temperature

Patterson Memorial (16.2 miles)

  • Lowest 8 January, 2025

    30.9 °F

  • Average January

    49.2 °F

  • Highest 5 January, 2025

    77 °F

Climate (2020–Present)

Patterson Memorial (16.2 miles)

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  • Average Low 2020–2025

    60.3 °F

  • Average 2020–2025

    67.9 °F

  • Average High 2020–2025

    76.7 °F
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