Herndon Weather Forecast

    • 60
    • 73

    Rain Showers Likely

    • 63
    • 75

    Rain Showers

    • 64
    • 78

    Rain Showers

    • 65
    • 81

    Rain Showers Likely

    • 65
    • 79

    Rain Showers Likely

    • 67
    • 80

    Rain Showers Likely

Today 20 May Craighead

Mostly cloudy. Showers likely with a slight chance of Thunderstorms in the Morning, then a chance of Showers and Thunderstorms in the afternoon. Highs in the mid 70s. Northeast Winds 5 to 10 Mph. Chance of rain 70 percent.

Tonight 20 May Craighead

Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms. Near steady temperature around 70. East Winds around 5 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Herndon Temperature Statistics

May Temperature

Walnut Ridge Regional Airport (16.2 miles)

  • Lowest 7 May, 2026

    46 °F

  • Average May

    66.7 °F

  • Highest 17 May, 2026

    89.1 °F

Climate (2021–Present)

Walnut Ridge Regional Airport (16.2 miles)

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  • Average Low 2021–2026

    52.1 °F

  • Average 2021–2026

    61.7 °F

  • Average High 2021–2026

    71.5 °F
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