Red Cedar Lake Weather Forecast

    • 48
    • 61

    Partly Sunny

    • 48
    • 65

    Partly Sunny

    • 48
    • 65

    Mostly Cloudy

    • 46
    • 67

    Partly Sunny

    • 49
    • 66

    Partly Sunny

Today 22 Sep Jefferson

Mostly cloudy. Scattered light rain Showers in the morning. Highs in the lower 60s. Northeast Winds 5 to 15 Mph. Chance of Showers 50 percent.

Tonight 22 Sep Jefferson

Mostly clear. Lows in the upper 40s. Northeast Winds 5 to 10 Mph.

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Red Cedar Lake Temperature Statistics

September Temperature

Watertown (18 miles)

  • Lowest 14 September, 2026

    40.8 °F

  • Average September

    67.4 °F

  • Highest 1 September, 2026

    87.3 °F

Climate (2021–2026)

Watertown (18 miles)

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  • Average Low 2021–2026

    35.3 °F

  • Average 2021–2026

    44.9 °F

  • Average High 2021–2026

    53.8 °F
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