Grassy Lake Weather Forecast

    • 78
    • 94

    Partly Sunny

    • 78
    • 94

    Chance Thunderstorms

    • 79
    • 92

    Chance Thunderstorms

    • 78
    • 92

    Rain Showers Likely

    • 76
    • 90

    Chance Thunderstorms

    • 76
    • 91

    Chance Thunderstorms

Today 29 Jul Lower St. Martin

Sunny. Highs in the mid 90s. West Winds 5 to 10 Mph. Heat index Values up to 107.

Tonight 29 Jul Lower St. Martin

Mostly clear. Humid with Lows in the upper 70s. West Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grassy Lake Temperature Statistics

July Temperature

Patterson Memorial (13.7 miles)

  • Lowest 1 July, 2026

    73 °F

  • Average July

    82.7 °F

  • Highest 17 July, 2026

    93.9 °F

Climate (2021–2026)

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

    77.4 °F
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