Lake Elmo Weather Forecast

    • 60
    • 66

    Rain Showers

    • 56
    • 73

    Mostly Cloudy

    • 46
    • 65

    Mostly Cloudy

    • 46
    • 63

    Partly Sunny

    • 47
    • 64

    Partly Sunny

    • 42
    • 62

    Mostly Sunny

Today 29 Sep Washington

Slight chance of rain Showers late in the morning. Rain Showers and slight chance of Thunderstorms in the afternoon. Highs in the upper 60s. South Winds 5 to 15 Mph. Chance of precipitation near 100 percent.

Tonight 29 Sep Washington

Mostly cloudy. A 50 percent chance of Showers in the evening. Patchy fog after midnight. Near steady temperature in the lower 60s. Southwest Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Elmo Temperature Statistics

September Temperature

Lake Elmo Airport (0.6 miles)

  • Lowest 14 September, 2026

    41 °F

  • Average September

    63.7 °F

  • Highest 1 September, 2026

    87.8 °F

Climate (2021–2026)

Lake Elmo Airport (0.6 miles)

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  • Average Low 2021–2026

    36.7 °F

  • Average 2021–2026

    46.2 °F

  • Average High 2021–2026

    55.2 °F
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