Lahey Lost Valley Park Weather Forecast

    • 71
    • 88

    Chance Rain Showers

    • 69
    • 88

    Rain Showers Likely

    • 67
    • 86

    Chance Thunderstorms

    • 68
    • 85

    Slight Chance Rain Showers

    • 70
    • 87

    Partly Sunny

    • 73
    • 91

    Partly Sunny

Today 26 Aug Central and Southeast Montgomery

Mostly sunny. Highs in the upper 80s. East Winds around 5 Mph, becoming south in the afternoon.

Tonight 26 Aug Central and Southeast Montgomery

Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms after midnight. Lows around 70. South Winds 5 to 10 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lahey Lost Valley Park Temperature Statistics

August Temperature

Washington/Dulles International Airport, DC (8.7 miles)

  • Lowest 19 August, 2026

    62.7 °F

  • Average August

    78.8 °F

  • Highest 10 August, 2026

    92.6 °F

Climate (2021–2026)

Washington/Dulles International Airport, DC (8.7 miles)

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  • Average Low 2021–2026

    47.6 °F

  • Average 2021–2026

    58.3 °F

  • Average High 2021–2026

    68.6 °F
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