Backbone State Forest Weather Forecast

    • 62
    • 83

    Chance Rain Showers

    • 59
    • 77

    Chance Thunderstorms

    • 61
    • 80

    Chance Rain Showers

    • 61
    • 80

    Chance Rain Showers

    • 57
    • 79

    Chance Rain Showers

    • 55
    • 76

    Slight Chance Thunderstorms

Today 18 Sep Delaware

Mostly sunny. A slight chance of Showers and Thunderstorms in the morning. Highs in the mid 80s. South Winds around 5 Mph. Chance of rain 20 percent.

Tonight 18 Sep Delaware

Mostly cloudy. A chance of Showers after midnight. Lows in the lower 60s. Southeast Winds around 5 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Backbone State Forest Temperature Statistics

September Temperature

Oelwein Municipal Airport (21.1 miles)

  • Lowest 4 September, 2025

    41 °F

  • Average September

    63.9 °F

  • Highest 13 September, 2025

    91.4 °F

Climate (2020–Present)

Oelwein Municipal Airport (21.1 miles)

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  • Average Low 2020–2025

    38.3 °F

  • Average 2020–2025

    48.1 °F

  • Average High 2020–2025

    57.8 °F
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