Grassy Lake Weather Forecast

    • 69
    • 86

    Chance Thunderstorms

    • 71
    • 87

    Chance Thunderstorms

    • 71
    • 89

    Partly Sunny

    • 71
    • 88

    Mostly Cloudy

    • 68
    • 88

    Mostly Cloudy

    • 67
    • 85

    Chance Rain Showers

Today 25 Apr Lower St. Martin

Patchy fog this morning. Mostly sunny with a chance of Showers and Thunderstorms. Highs in the mid 80s. South Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 25 Apr Lower St. Martin

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the upper 60s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grassy Lake Temperature Statistics

April Temperature

Patterson Memorial (13.7 miles)

  • Lowest 7 April, 2026

    48 °F

  • Average April

    70.5 °F

  • Highest 16 April, 2026

    84 °F

Climate (2021–Present)

Patterson Memorial (13.7 miles)

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  • Average Low 2021–2026

    60.6 °F

  • Average 2021–2026

    68.4 °F

  • Average High 2021–2026

    77.3 °F
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