Catherine Lake Weather Forecast

    • 54
    • 75

    Rain Showers Likely

    • 50
    • 72

    Slight Chance Rain Showers

    • 45
    • 71

    Mostly Sunny

    • 45
    • 72

    Partly Sunny

    • 53
    • 76

    Mostly Cloudy

    • 54
    • 78

    Chance Rain Showers

Today 20 Aug Iron

Partly sunny with a slight chance of Showers in the Morning, then mostly cloudy with Showers likely with a chance of Thunderstorms in the afternoon. Highs in the mid 70s. Southwest Winds 5 to 10 Mph. Chance of rain 70 percent.

Tonight 20 Aug Iron

Partly cloudy. Near steady temperature in the upper 40s. South Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Catherine Lake Temperature Statistics

August Temperature

Manitowish Waters Airport (8.1 miles)

  • Lowest 17 August, 2026

    45.5 °F

  • Average August

    66 °F

  • Highest 3 August, 2026

    83.5 °F

Climate (2021–2026)

Manitowish Waters Airport (8.1 miles)

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  • Average Low 2021–2026

    29.7 °F

  • Average 2021–2026

    40.6 °F

  • Average High 2021–2026

    50.2 °F
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