Reston Weather Forecast

    • 71
    • 91

    Becoming Sunny

    • 75
    • 96

    Mostly Sunny

    • 78
    • 99

    Hot

    • 77
    • 100

    Hot

    • 76
    • 98

    Slight Chance Thunderstorms

    • 75
    • 96

    Chance Thunderstorms

    • 74
    • 94

    Chance Thunderstorms

Today 21 Jun Eastern Loudoun

Mostly sunny. Highs in the lower 90s. South Winds 5 to 10 Mph.

Tonight 21 Jun Eastern Loudoun

Mostly clear. Lows around 70. South Winds around 5 Mph.

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  • Temperature Real-Time

Reston Temperature Statistics

June Temperature

Washington/Dulles International Airport, DC (5 miles)

  • Lowest 2 June, 2025

    43.6 °F

  • Average June

    72.4 °F

  • Highest 19 June, 2025

    90 °F

Climate (2020–Present)

Washington/Dulles International Airport, DC (5 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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