Backbone State Forest Weather Forecast

    • 49
    • 80

    Sunny

    • 58
    • 82

    Mostly Sunny

    • 59
    • 80

    Chance Thunderstorms

    • 64
    • 83

    Chance Thunderstorms

    • 57
    • 85

    Chance Thunderstorms

    • 50
    • 73

    Slight Chance Rain Showers

Today 11 May Delaware

Sunny. Highs in the upper 70s. Southeast Winds 5 to 10 Mph.

Tonight 11 May Delaware

Mostly clear. Lows in the upper 40s. Southeast Winds 5 to 10 Mph.

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  • Temperature Real-Time

Backbone State Forest Temperature Statistics

May Temperature

Oelwein Municipal Airport (21.1 miles)

  • Lowest 4 May, 2025

    41 °F

  • Average May

    57.1 °F

  • Highest 7 May, 2025

    78.8 °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 °F

  • Average High 2020–2025

    57.7 °F
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