Herndon Weather Forecast

    • 79
    • 98

    Slight Chance Thunderstorms

    • 79
    • 99

    Hot

    • 78
    • 100

    Hot

    • 79
    • 101

    Hot

    • 79
    • 103

    Hot

    • 75
    • 100

    Hot

Today 12 Aug Craighead

Sunny. Highs in the upper 90s. Southwest Winds 5 to 10 Mph. Heat index Values up to 111.

Tonight 12 Aug Craighead

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 70s. Southwest Winds 5 to 10 Mph. Heat index Values up to 105 early in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Herndon Temperature Statistics

August Temperature

Walnut Ridge Regional Airport (16.2 miles)

  • Lowest 3 August, 2026

    66.9 °F

  • Average August

    79.1 °F

  • Highest 10 August, 2026

    95 °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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