Herndon Weather Forecast

    • 57
    • 82

    Mostly Sunny

    • 59
    • 83

    Mostly Sunny

    • 60
    • 83

    Partly Sunny

    • 60
    • 80

    Partly Sunny

    • 61
    • 81

    Partly Sunny

    • 62
    • 80

    Chance Rain Showers

Today 18 Sep Wyoming

Sunny. Highs in the lower 80s. South Winds around 5 Mph, becoming northwest this afternoon.

Tonight 18 Sep Wyoming

Clear. Lows in the mid 50s. North Winds around 5 Mph in the Evening, becoming light and variable.

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Herndon Temperature Statistics

September Temperature

Bluefield, Mercer County Airport (16.2 miles)

  • Lowest 8 September, 2025

    43 °F

  • Average September

    61.6 °F

  • Highest 13 September, 2025

    77 °F

Climate (2020–Present)

Bluefield, Mercer County Airport (16.2 miles)

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  • Average Low 2020–2025

    44.9 °F

  • Average 2020–2025

    53.2 °F

  • Average High 2020–2025

    61.7 °F
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