Three Island Lake Weather Forecast

    • 46
    • 68

    Mostly Sunny

    • 48
    • 73

    Mostly Sunny

    • 52
    • 74

    Rain Showers

    • 51
    • 70

    Rain Showers Likely

    • 51
    • 73

    Chance Thunderstorms

    • 52
    • 76

    Slight Chance Thunderstorms

Today 20 Jun South Beltrami

Sunny. Highs 65 to 70. Northwest Winds around 10 Mph.

Tonight 20 Jun South Beltrami

Mostly clear. Lows in the mid 40s. North Winds around 5 Mph in the evening becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Three Island Lake Temperature Statistics

June Temperature

Bemidji (9.3 miles)

  • Lowest 18 June, 2026

    42.4 °F

  • Average June

    64.7 °F

  • Highest 7 June, 2026

    88.2 °F

Climate (2021–2026)

Bemidji (9.3 miles)

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  • Average Low 2021–2026

    30.3 °F

  • Average 2021–2026

    41.1 °F

  • Average High 2021–2026

    50.9 °F
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