Castalia Weather Forecast

    • 34
    • 62

    Rain

    • 32
    • 49

    Mostly Cloudy

    • 36
    • 52

    Chance Rain

    • 28
    • 50

    Partly Sunny

    • 24
    • 47

    Mostly Sunny

    • 26
    • 44

    Mostly Sunny

Today 2 Apr Winneshiek

Rain with a slight chance of Thunderstorms early this Morning, then a chance of rain and Thunderstorms this afternoon. Breezy and not as cool with Highs around 60. Southeast Winds 15 to 25 Mph, becoming south this afternoon. Gusts up to 40 Mph. Chance of rain 100 percent.

Tonight 2 Apr Winneshiek

Mostly cloudy and breezy. Lows in the mid 30s. West Winds 15 to 25 Mph. Gusts up to 40 Mph, decreasing to 30 Mph after midnight.

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Castalia Temperature Statistics

April Temperature

Decorah (11.8 miles)

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  • Average April

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Climate (2020–Present)

Decorah (11.8 miles)

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  • Average Low 2020–2025

    39.2 °F

  • Average 2020–2025

    47.9 °F

  • Average High 2020–2025

    56.4 °F
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