Lake De Montreville Weather Forecast

    • 66
    • 82

    Mostly Cloudy

    • 66
    • 80

    Rain Showers Likely

    • 64
    • 83

    Chance Rain Showers

    • 56
    • 77

    Mostly Sunny

    • 57
    • 78

    Mostly Sunny

    • 58
    • 80

    Slight Chance Thunderstorms

Today 6 Sep Washington

Partly sunny. Highs in the lower 80s. Southeast Winds 5 to 10 Mph.

Tonight 6 Sep Washington

Decreasing Clouds. Lows in the mid 60s. Southeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake De Montreville Temperature Statistics

September Temperature

Lake Elmo Airport (4.3 miles)

  • Lowest 1 September, 2026

    59 °F

  • Average September

    73.9 °F

  • Highest 1 September, 2026

    87.8 °F

Climate (2021–2026)

Lake Elmo Airport (4.3 miles)

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  • Average Low 2021–2026

    36.6 °F

  • Average 2021–2026

    46.2 °F

  • Average High 2021–2026

    55.2 °F
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