Oelwein Weather Forecast

    • 61
    • 69

    Mostly Cloudy

    • 62
    • 75

    Rain Showers

    • 64
    • 75

    Rain Showers

    • 61
    • 77

    Chance Rain Showers

    • 56
    • 69

    Chance Rain Showers

    • 54
    • 67

    Slight Chance Rain Showers

Today 16 Sep Fayette

Partly sunny. Highs in the upper 60s. East Winds 5 to 10 Mph.

Tonight 16 Sep Fayette

Mostly cloudy. A chance of Showers after midnight. Lows around 60. Southeast Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Oelwein Temperature Statistics

September Temperature

Oelwein Municipal Airport (3.1 miles)

  • Lowest 13 September, 2026

    50 °F

  • Average September

    71.2 °F

  • Highest 4 September, 2026

    89.6 °F

Climate (2021–2026)

Oelwein Municipal Airport (3.1 miles)

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  • Average Low 2021–2026

    38.5 °F

  • Average 2021–2026

    48.2 °F

  • Average High 2021–2026

    57.9 °F
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