Herndon Weather Forecast

    • 73
    • 93

    Decreasing Clouds

    • 72
    • 92

    Rain Showers

    • 63
    • 77

    Rain Showers

    • 59
    • 73

    Chance Rain Showers

    • 57
    • 76

    Mostly Sunny

    • 52
    • 74

    Sunny

    • 53
    • 74

    Mostly Sunny

Today 30 Sep Craighead

Mostly sunny. Highs in the upper 70s.

Tonight 30 Sep Craighead

Mostly cloudy this Evening, then becoming partly cloudy. Lows in the lower 70s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Herndon Temperature Statistics

September Temperature

Walnut Ridge Regional Airport (16.2 miles)

  • Lowest 25 September, 2026

    57 °F

  • Average September

    79.5 °F

  • Highest 5 September, 2026

    100.9 °F

Climate (2021–2026)

Walnut Ridge Regional Airport (16.2 miles)

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  • Average Low 2021–2026

    52.3 °F

  • Average 2021–2026

    61.8 °F

  • Average High 2021–2026

    71.7 °F
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