Split Rock County Park Weather Forecast

    • 56
    • 77

    Mostly Sunny

    • 62
    • 79

    Partly Sunny

    • 53
    • 75

    Chance Rain Showers

    • 60
    • 70

    Rain Showers

    • 52
    • 77

    Rain Showers Likely

    • 50
    • 66

    Chance Rain Showers

Today 10 Sep Chickasaw

Patchy fog this morning. Mostly sunny. Highs in the upper 70s. Light and variable Winds, becoming west around 5 Mph this afternoon.

Tonight 10 Sep Chickasaw

Clear. Lows in the mid 50s. South Winds around 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Split Rock County Park Temperature Statistics

September Temperature

Oelwein Municipal Airport (20.5 miles)

  • Lowest 7 September, 2026

    62.6 °F

  • Average September

    74.3 °F

  • Highest 4 September, 2026

    89.6 °F

Climate (2021–2026)

Oelwein Municipal Airport (20.5 miles)

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

  • Average Low 2021–2026

    38.5 °F

  • Average 2021–2026

    48.2 °F

  • Average High 2021–2026

    57.9 °F
Get WillyWeather+ to remove ads