Trestle Lake Weather Forecast

    • 38
    • 60

    Mostly Cloudy

    • 34
    • 60

    Partly Sunny

    • 37
    • 62

    Mostly Sunny

    • 42
    • 63

    Partly Sunny

    • 47
    • 62

    Mostly Cloudy

    • 50
    • 67

    Mostly Cloudy

Today 20 Sep South Itasca

Partly sunny. Near steady temperature around 60. East Winds 5 to 10 Mph.

Tonight 20 Sep South Itasca

Mostly cloudy. Cooler with Lows in the upper 30s. East Winds around 5 Mph.

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Trestle Lake Temperature Statistics

September Temperature

Grand Rapids, Grand Rapids/Itasca County Airport-Gordon Newstrom Field (18.6 miles)

  • Lowest 14 September, 2026

    37 °F

  • Average September

    61.8 °F

  • Highest 6 September, 2026

    82 °F

Climate (2021–2026)

Grand Rapids, Grand Rapids/Itasca County Airport-Gordon Newstrom Field (18.6 miles)

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  • Average Low 2021–2026

    32.1 °F

  • Average 2021–2026

    41.6 °F

  • Average High 2021–2026

    50.7 °F
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