Grand Harbor Weather Forecast

    • 62
    • 73

    Rain Showers Likely

    • 56
    • 71

    Rain Showers Likely

    • 56
    • 78

    Partly Sunny

    • 53
    • 72

    Slight Chance Thunderstorms

    • 54
    • 66

    Chance Rain Showers

    • 53
    • 67

    Slight Chance Rain Showers

    • 52
    • 68

    Mostly Cloudy

Today 14 Sep Ramsey

Cloudy with a chance of Thunderstorms and a slight chance of Showers. Highs in the mid 70s. Southeast Winds around 10 Mph. Chance of rain 40 percent.

Tonight 14 Sep Ramsey

Mostly cloudy. A chance of Showers and Thunderstorms this Evening, then a slight chance of Showers after midnight. Some Thunderstorms may be severe with damaging Winds, large Hail, and Tornadoes. Lows 60 to 65. Southeast Winds around 5 Mph increasing to around 15 Mph after midnight. Chance of rain 50 percent.

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Grand Harbor Temperature Statistics

September Temperature

Devils Lake, Devils Lake Municipal Airport (4.3 miles)

  • Lowest 7 September, 2025

    36 °F

  • Average September

    59 °F

  • Highest 1 September, 2025

    81 °F

Climate (2020–Present)

Devils Lake, Devils Lake Municipal Airport (4.3 miles)

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  • Average Low 2020–2025

    31.9 °F

  • Average 2020–2025

    41.3 °F

  • Average High 2020–2025

    50.4 °F
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