Lake De Montreville Weather Forecast

    • 50
    • 64

    Increasing Clouds

    • 43
    • 62

    Mostly Cloudy

    • 43
    • 65

    Mostly Sunny

    • 49
    • 67

    Partly Sunny

    • 53
    • 68

    Slight Chance Rain Showers

    • 55
    • 72

    Partly Sunny

Today 20 Sep Washington

Increasing Clouds. Highs in the mid 60s. Northeast Winds 5 to 15 Mph.

Tonight 20 Sep Washington

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

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake De Montreville Temperature Statistics

September Temperature

Lake Elmo Airport (4.3 miles)

  • Lowest 14 September, 2026

    41 °F

  • Average September

    67.4 °F

  • Highest 1 September, 2026

    87.8 °F

Climate (2021–2026)

Lake Elmo Airport (4.3 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    36.6 °F

  • Average 2021–2026

    46.2 °F

  • Average High 2021–2026

    55.3 °F
Get WillyWeather+ to remove ads