Castalia Weather Forecast

    • 31
    • 51

    Rain Showers

    • 29
    • 49

    Mostly Sunny

    • 28
    • 45

    Partly Sunny

    • 34
    • 55

    Mostly Sunny

    • 42
    • 60

    Rain Showers

    • 35
    • 57

    Partly Sunny

Today 18 Apr Winneshiek

Showers. Highs in the lower 50s. West Winds 5 to 10 Mph. Chance of rain 90 percent.

Tonight 18 Apr Winneshiek

Partly cloudy in the Evening, then clearing. Colder with Lows in the lower 30s. Northwest Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Castalia Temperature Statistics

April Temperature

Decorah (11.8 miles)

  • Lowest 5 April, 2024

    28.4 °F

  • Average April

    48.1 °F

  • Highest 14 April, 2024

    78.8 °F

Climate (2019–Present)

Decorah (11.8 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2019–2024

    39.1 °F

  • Average 2019–2024

    47.6 °F

  • Average High 2019–2024

    55.9 °F
Get an account to remove ads