Herndon Weather Forecast

    • 62
    • 80

    Chance Thunderstorms

    • 60
    • 79

    Partly Sunny

    • 62
    • 83

    Partly Sunny

    • 66
    • 85

    Mostly Sunny

    • 63
    • 84

    Chance Thunderstorms

    • 59
    • 79

    Chance Rain Showers

Today 6 Sep Wyoming

Areas of fog this morning. Partly sunny with a slight chance of Thunderstorms. A chance of Showers, mainly this morning. Highs around 80. North Winds around 5 Mph. Chance of rain 50 percent.

Tonight 6 Sep Wyoming

Partly cloudy. A slight chance of Showers and Thunderstorms in the evening. Lows in the lower 60s. East Winds 5 to 10 Mph. Gusts up to 25 Mph after midnight. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Herndon Temperature Statistics

September Temperature

Bluefield, Mercer County Airport (16.2 miles)

  • Lowest 1 September, 2026

    66.7 °F

  • Average September

    76.4 °F

  • Highest 3 September, 2026

    87.1 °F

Climate (2021–2026)

Bluefield, Mercer County Airport (16.2 miles)

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  • Average Low 2021–2026

    45.1 °F

  • Average 2021–2026

    53.5 °F

  • Average High 2021–2026

    62.1 °F
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