Lake Masterman Weather Forecast

    • 59
    • 81

    Becoming Sunny

    • 52
    • 77

    Sunny

    • 53
    • 77

    Partly Sunny

    • 61
    • 79

    Chance Rain Showers

    • 62
    • 83

    Slight Chance Thunderstorms

    • 57
    • 82

    Slight Chance Thunderstorms

    • 59
    • 81

    Partly Sunny

Today 21 Aug Washington

Mostly sunny. Highs in the lower 80s. Northwest Winds 5 to 15 Mph.

Tonight 21 Aug Washington

Partly cloudy. A 20 percent chance of rain Showers after midnight. Lows in the upper 50s. Northwest Winds up to 10 Mph.

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Lake Masterman Temperature Statistics

August Temperature

Lake Elmo Airport (5.6 miles)

  • Lowest 19 August, 2026

    50 °F

  • Average August

    70.4 °F

  • Highest 12 August, 2026

    86 °F

Climate (2021–2026)

Lake Elmo Airport (5.6 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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