Herndon Weather Forecast

    • 26
    • 43

    Increasing Clouds

    • 12
    • 31

    Mostly Cloudy

    • 9
    • 16

    Snow/Sleet

    • -5
    • 20

    Slight Chance Snow

    • -1
    • 14

    Mostly Sunny

    • 14
    • 24

    Partly Sunny

Today 22 Jan Craighead

Mostly sunny. Highs in the mid 40s. Northeast Winds 5 to 10 Mph.

Tonight 22 Jan Craighead

Partly cloudy. Areas of dense fog and dense freezing fog. Lows in the upper 20s. North Winds around 5 Mph.

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Herndon Temperature Statistics

January Temperature

Walnut Ridge Regional Airport (16.2 miles)

  • Lowest 18 January, 2026

    14 °F

  • Average January

    42.2 °F

  • Highest 6 January, 2026

    71.1 °F

Climate (2021–Present)

Walnut Ridge Regional Airport (16.2 miles)

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  • Average Low 2021–2026

    51.9 °F

  • Average 2021–2026

    61.3 °F

  • Average High 2021–2026

    71.1 °F
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