Onniack Lake Weather Forecast

    • 54
    • 78

    Rain Showers

    • 50
    • 76

    Partly Sunny

    • 49
    • 75

    Mostly Sunny

    • 53
    • 75

    Mostly Cloudy

    • 54
    • 68

    Chance Rain Showers

    • 52
    • 71

    Slight Chance Rain Showers

Today 11 Aug North St. Louis

Patchy fog this morning. Mostly sunny. Highs in the upper 70s. Northwest Winds around 5 Mph.

Tonight 11 Aug North St. Louis

Partly cloudy. A chance of Showers, mainly in the evening. Lows in the mid 50s. Northwest Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Onniack Lake Temperature Statistics

August Temperature

Crane Lake - Scotts Seaplane Base (18 miles)

  • Lowest 5 August, 2026

    41 °F

  • Average August

    65.5 °F

  • Highest 1 August, 2026

    82.4 °F

Climate (2021–2026)

Crane Lake - Scotts Seaplane Base (18 miles)

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  • Average Low 2021–2026

    29.5 °F

  • Average 2021–2026

    41.1 °F

  • Average High 2021–2026

    51.5 °F
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