Martinsburg Weather Forecast

    • 50
    • 76

    Becoming Sunny

    • 51
    • 78

    Mostly Sunny

    • 56
    • 75

    Partly Sunny

    • 56
    • 76

    Mostly Cloudy

    • 50
    • 72

    Mostly Cloudy

    • 45
    • 64

    Slight Chance Rain Showers

Today 21 Oct Keokuk

Sunny. Highs in the mid 70s. Southwest Winds around 5 Mph.

Tonight 21 Oct Keokuk

Mostly clear. Lows in the upper 40s. Light and variable Winds.

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  • Temperature Real-Time

Martinsburg Temperature Statistics

October Temperature

Ottumwa Regional Airport (11.2 miles)

  • Lowest 16 October, 2026

    36.6 °F

  • Average October

    64.1 °F

  • Highest 11 October, 2026

    88.6 °F

Climate (2021–2026)

Ottumwa Regional Airport (11.2 miles)

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  • Average Low 2021–2026

    41.9 °F

  • Average 2021–2026

    52.5 °F

  • Average High 2021–2026

    63.1 °F
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