Nielsen Lake Weather Forecast

    • 64
    • 84

    Chance Thunderstorms

    • 63
    • 78

    Chance Thunderstorms

    • 60
    • 72

    Chance Thunderstorms

    • 60
    • 73

    Chance Thunderstorms

    • 60
    • 76

    Chance Thunderstorms

    • 55
    • 76

    Slight Chance Thunderstorms

    • 52
    • 72

    Partly Sunny

Today 17 Sep Washington

Partly sunny. A 20 percent chance of Thunderstorms late in the afternoon. Highs in the lower 80s. Southeast Winds up to 5 Mph.

Tonight 17 Sep Washington

Mostly cloudy. Chance of Thunderstorms until early morning. Showers likely after Midnight, then chance of Showers and slight chance of Thunderstorms late in the night. Lows in the mid 60s. East Winds up to 5 Mph. Chance of precipitation 60 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Nielsen Lake Temperature Statistics

September Temperature

L O Simenstad Municipal Airport (8.7 miles)

  • Lowest 6 September, 2025

    39.4 °F

  • Average September

    63.5 °F

  • Highest 13 September, 2025

    83.3 °F

Climate (2020–Present)

L O Simenstad Municipal Airport (8.7 miles)

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  • Average Low 2020–2025

    36.7 °F

  • Average 2020–2025

    47 °F

  • Average High 2020–2025

    56.6 °F
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