Herndon Weather Forecast

    • 69
    • 85

    Mostly Sunny

    • 68
    • 83

    Mostly Sunny

    • 72
    • 86

    Mostly Cloudy

    • 75
    • 90

    Partly Sunny

    • 77
    • 95

    Mostly Sunny

    • 78
    • 98

    Hot

Today 22 Jul Craighead

Sunny. Highs in the mid 80s. Northeast Winds 10 to 15 Mph.

Tonight 22 Jul Craighead

Mostly clear. Lows in the upper 60s. Northeast Winds 5 to 10 Mph.

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Herndon Temperature Statistics

July Temperature

Walnut Ridge Regional Airport (16.2 miles)

  • Lowest 14 July, 2026

    70 °F

  • Average July

    80.8 °F

  • Highest 18 July, 2026

    93.9 °F

Climate (2021–2026)

Walnut Ridge Regional Airport (16.2 miles)

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  • Average Low 2021–2026

    52.2 °F

  • Average 2021–2026

    61.7 °F

  • Average High 2021–2026

    71.5 °F
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