Three Island Lake Weather Forecast

    • 34
    • 45

    Slight Chance Rain Showers

    • 36
    • 53

    Mostly Cloudy

    • 39
    • 59

    Mostly Cloudy

    • 38
    • 64

    Slight Chance Rain Showers

    • 41
    • 67

    Partly Sunny

    • 43
    • 70

    Partly Sunny

    • 46
    • 69

    Partly Sunny

Today 17 May South Beltrami

Cloudy with a 30 percent chance of Showers. Highs in the mid 40s. North Winds around 10 Mph.

Tonight 17 May South Beltrami

Mostly cloudy. Areas of frost after midnight. Lows in the mid 30s. North Winds up to 10 Mph. Gusts up to 20 Mph this evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Three Island Lake Temperature Statistics

May Temperature

Bemidji (9.3 miles)

  • Lowest 10 May, 2025

    33.1 °F

  • Average May

    62.5 °F

  • Highest 11 May, 2025

    92.3 °F

Climate (2020–Present)

Bemidji (9.3 miles)

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  • Average Low 2020–2025

    30.4 °F

  • Average 2020–2025

    41.2 °F

  • Average High 2020–2025

    51 °F
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