Gunderson Lake Weather Forecast

    • 45
    • 73

    Decreasing Clouds

    • 40
    • 61

    Mostly Cloudy

    • 44
    • 63

    Rain Showers

    • 43
    • 66

    Chance Rain Showers

    • 40
    • 61

    Partly Sunny

    • 41
    • 62

    Chance Rain Showers

    • 45
    • 68

    Mostly Sunny

Today 11 Sep Pierce

Mostly sunny. Highs in the lower 70s. Temperature falling into the in the upper 60s late. Northwest Winds around 25 Mph.

Tonight 11 Sep Pierce

Mostly clear. Lows in the mid 40s. West Winds around 15 Mph with Gusts up to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Gunderson Lake Temperature Statistics

September Temperature

RUGBY (6.2 miles)

  • Lowest 1 September, 2026

    51.8 °F

  • Average September

    66.3 °F

  • Highest 5 September, 2026

    84.2 °F

Climate (2021–2026)

RUGBY (6.2 miles)

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  • Average Low 2021–2026

    27 °F

  • Average 2021–2026

    37.6 °F

  • Average High 2021–2026

    47.9 °F
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