Martinsburg Weather Forecast

    • 45
    • 79

    Thunderstorms Likely

    • 55
    • 69

    Chance Rain Showers

    • 60
    • 79

    Rain Showers Likely

    • 47
    • 68

    Chance Rain Showers

    • 40
    • 57

    Slight Chance Rain Showers

    • 44
    • 65

    Mostly Sunny

Today 29 Apr Knox

Partly sunny with a slight chance of Showers and Thunderstorms late this Morning, then mostly cloudy with Showers likely with a chance of Thunderstorms this afternoon. Highs in the upper 70s. Southwest Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of rain 70 percent.

Tonight 29 Apr Knox

Mostly cloudy with a chance of Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Much cooler with Lows in the mid 40s. West Winds 15 to 20 Mph with Gusts up to 30 Mph, becoming north 5 to 10 Mph after midnight. Chance of rain 50 percent.

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  • Temperature Real-Time

Martinsburg Temperature Statistics

April Temperature

Knox County Airfield (9.9 miles)

  • Lowest 7 April, 2025

    28.4 °F

  • Average April

    52.6 °F

  • Highest 24 April, 2025

    82.4 °F

Climate (2020–Present)

Knox County Airfield (9.9 miles)

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  • Average Low 2020–2025

    43.4 °F

  • Average 2020–2025

    52.3 °F

  • Average High 2020–2025

    61.8 °F
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