Lake De Montreville Weather Forecast

    • 66
    • 87

    Patchy Smoke

    • 69
    • 89

    Rain Showers

    • 68
    • 91

    Chance Thunderstorms

    • 59
    • 81

    Mostly Sunny

    • 60
    • 80

    Mostly Sunny

    • 64
    • 84

    Slight Chance Thunderstorms

    • 64
    • 83

    Partly Sunny

Today 18 Jul Washington

Sunny. Highs in the upper 80s. North Winds 5 to 10 Mph.

Tonight 18 Jul Washington

Mostly clear. Patchy smoke after midnight. Lows in the mid 60s. Northeast Winds up to 5 Mph shifting to the south after midnight.

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Lake De Montreville Temperature Statistics

July Temperature

Lake Elmo Airport (4.3 miles)

  • Lowest 10 July, 2026

    59 °F

  • Average July

    75.4 °F

  • Highest 13 July, 2026

    91.4 °F

Climate (2021–2026)

Lake Elmo Airport (4.3 miles)

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  • Average Low 2021–2026

    36.6 °F

  • Average 2021–2026

    46.1 °F

  • Average High 2021–2026

    55.2 °F
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