Harrison Lake Weather Forecast

    • 47
    • 75

    Partly Sunny

    • 51
    • 63

    Rain Showers

    • 48
    • 64

    Rain Showers Likely

    • 44
    • 66

    Mostly Cloudy

    • 45
    • 65

    Mostly Cloudy

    • 46
    • 66

    Mostly Cloudy

Today 17 Sep Lincoln

Partly cloudy. Patchy fog in the morning. Highs in the middle 70s. Light and variable wind.

Tonight 17 Sep Lincoln

Partly cloudy. Patchy fog after midnight. Lows in the upper 40s. Light and variable wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Harrison Lake Temperature Statistics

September Temperature

Rhinelander, Rhinelander-Oneida County Airport (7.5 miles)

  • Lowest 14 September, 2026

    34 °F

  • Average September

    65 °F

  • Highest 1 September, 2026

    90.6 °F

Climate (2021–2026)

Rhinelander, Rhinelander-Oneida County Airport (7.5 miles)

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  • Average Low 2021–2026

    32.7 °F

  • Average 2021–2026

    43.2 °F

  • Average High 2021–2026

    53.3 °F
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