Lake Thoreau Weather Forecast

    • 57
    • 60

    Rain Showers

    • 62
    • 77

    Chance Rain Showers

    • 58
    • 76

    Rain Showers Likely

    • 49
    • 71

    Chance Rain Showers

    • 54
    • 73

    Partly Sunny

    • 56
    • 76

    Mostly Sunny

    • 59
    • 81

    Mostly Sunny

Today 28 May Eastern Loudoun

Showers. Patchy fog. Highs in the upper 50s. Northeast Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 90 percent.

Tonight 28 May Eastern Loudoun

Mostly cloudy. Scattered Showers this evening. Patchy fog. Lows in the mid 50s. North Winds around 5 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Thoreau Temperature Statistics

May Temperature

Washington/Dulles International Airport, DC (5.6 miles)

  • Lowest 10 May, 2025

    40.6 °F

  • Average May

    66.3 °F

  • Highest 16 May, 2025

    89.7 °F

Climate (2020–Present)

Washington/Dulles International Airport, DC (5.6 miles)

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  • Average Low 2020–2025

    47.9 °F

  • Average 2020–2025

    58.3 °F

  • Average High 2020–2025

    68.5 °F
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