Herndon Weather Forecast

    • 20
    • 35

    Mostly Cloudy

    • 11
    • 28

    Chance Flurries

    • 8
    • 22

    Mostly Sunny

    • 22
    • 30

    Partly Sunny

    • 25
    • 42

    Partly Sunny

    • 29
    • 42

    Mostly Cloudy

Today 29 Jan Craighead

Mostly cloudy. Areas of dense fog with patchy freezing fog this Morning, then patchy dense fog this afternoon. Highs in the mid 30s. East Winds 5 to 10 Mph.

Tonight 29 Jan Craighead

Mostly cloudy with a slight chance of freezing drizzle. A slight chance of snow after midnight. Cold with Lows in the lower 20s. Northeast Winds 10 to 15 Mph. Chance of precipitation 20 percent.

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  • Temperature Forecast NOAA

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Herndon Temperature Statistics

January Temperature

Walnut Ridge Regional Airport (16.2 miles)

  • Lowest 26 January, 2026

    5 °F

  • Average January

    37.2 °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

    51.8 °F

  • Average 2021–2026

    61.2 °F

  • Average High 2021–2026

    71 °F
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