Martinsburg Weather Forecast

    • 40
    • 66

    Mostly Sunny

    • 36
    • 65

    Mostly Sunny

    • 37
    • 66

    Mostly Sunny

    • 42
    • 67

    Mostly Sunny

    • 46
    • 69

    Partly Sunny

    • 44
    • 66

    Mostly Cloudy

Today 22 Oct Knox

Mostly sunny. Highs in the mid 60s. North Winds 5 to 10 Mph.

Tonight 22 Oct Knox

Clear. Lows around 40. North Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Martinsburg Temperature Statistics

October Temperature

Knox County Airfield (9.9 miles)

  • Lowest 18 October, 2026

    32 °F

  • Average October

    58.6 °F

  • Highest 13 October, 2026

    86 °F

Climate (2021–2026)

Knox County Airfield (9.9 miles)

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  • Average Low 2021–2026

    43.4 °F

  • Average 2021–2026

    52.2 °F

  • Average High 2021–2026

    61.6 °F
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