Oelwein Weather Forecast

    • 33
    • 45

    Increasing Clouds

    • 39
    • 51

    Mostly Cloudy

    • 41
    • 67

    Mostly Cloudy

    • 41
    • 72

    Partly Sunny

    • 26
    • 54

    Mostly Cloudy

    • 29
    • 43

    Mostly Cloudy

Today 18 Mar Fayette

Mostly sunny. Not as cool with Highs in the lower 40s. Southwest Winds 5 to 10 Mph.

Tonight 18 Mar Fayette

Mostly cloudy. A slight chance of rain after midnight. Not as cool with Lows in the lower 30s. South Winds 5 to 10 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Oelwein Temperature Statistics

March Temperature

Oelwein Municipal Airport (3.1 miles)

  • Lowest 16 March, 2026

    8.6 °F

  • Average March

    36.9 °F

  • Highest 9 March, 2026

    66.2 °F

Climate (2021–Present)

Oelwein Municipal Airport (3.1 miles)

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  • Average Low 2021–2026

    38.7 °F

  • Average 2021–2026

    48.4 °F

  • Average High 2021–2026

    58.1 °F
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