Herndon Weather Forecast

    • 75
    • 100

    Hot

    • 75
    • 99

    Hot

    • 74
    • 100

    Hot

    • 74
    • 101

    Hot

    • 74
    • 101

    Hot

    • 70
    • 96

    Chance Rain Showers

    • 68
    • 91

    Slight Chance Thunderstorms

Today 16 Sep Craighead

Mostly sunny. A slight chance of Showers in the afternoon. Highs in the upper 80s. Chance of rain 20 percent.

Tonight 16 Sep Craighead

Clear. Lows in the mid 70s. South Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Herndon Temperature Statistics

September Temperature

Walnut Ridge Regional Airport (16.2 miles)

  • Lowest 8 September, 2026

    64 °F

  • Average September

    82.9 °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

    71.6 °F
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