Martinsburg Weather Forecast

    • 56
    • 84

    Decreasing Clouds

    • 54
    • 84

    Mostly Sunny

    • 57
    • 85

    Mostly Sunny

    • 56
    • 86

    Mostly Sunny

    • 60
    • 86

    Mostly Cloudy

    • 61
    • 85

    Chance Rain Showers

    • 60
    • 83

    Slight Chance Rain Showers

Today 16 Sep Knox

Partly cloudy this Morning, then clearing. Highs in the mid 80s. East Winds 5 to 10 Mph.

Tonight 16 Sep Knox

Partly cloudy this Evening, then clearing. Lows in the mid 50s. Northeast Winds around 5 Mph.

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  • Temperature Real-Time

Martinsburg Temperature Statistics

September Temperature

Knox County Airfield (9.9 miles)

  • Lowest 8 September, 2025

    41 °F

  • Average September

    63.4 °F

  • Highest 14 September, 2025

    84.2 °F

Climate (2020–Present)

Knox County Airfield (9.9 miles)

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  • Average Low 2020–2025

    43.3 °F

  • Average 2020–2025

    52.1 °F

  • Average High 2020–2025

    61.5 °F
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