Thirty Lake Weather Forecast

    • 51
    • 66

    Mostly Cloudy

    • 52
    • 65

    Rain Showers

    • 48
    • 67

    Mostly Cloudy

    • 53
    • 67

    Rain Showers Likely

    • 51
    • 64

    Rain Showers Likely

    • 46
    • 66

    Partly Sunny

    • 43
    • 64

    Mostly Cloudy

Today 25 Sep North Itasca

Partly sunny. A slight chance of Showers in the afternoon. Highs in the mid 60s. Chance of rain 20 percent.

Tonight 25 Sep North Itasca

Mostly cloudy. Lows in the lower 50s. Southeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Thirty Lake Temperature Statistics

September Temperature

Grand Rapids, Grand Rapids/Itasca County Airport-Gordon Newstrom Field (19.9 miles)

  • Lowest 14 September, 2026

    37 °F

  • Average September

    61.3 °F

  • Highest 6 September, 2026

    82 °F

Climate (2021–2026)

Grand Rapids, Grand Rapids/Itasca County Airport-Gordon Newstrom Field (19.9 miles)

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  • Average Low 2021–2026

    32 °F

  • Average 2021–2026

    41.6 °F

  • Average High 2021–2026

    50.7 °F
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