Grinnell Regional Airport Weather Forecast

    • 18
    • 29

    Mostly Cloudy

    • 31
    • 44

    Partly Sunny

    • 19
    • 41

    Partly Sunny

    • 26
    • 39

    Partly Sunny

    • 24
    • 40

    Partly Sunny

    • 31
    • 48

    Partly Sunny

Today 4 Feb Poweshiek

Mostly sunny. Highs in the upper 20s. North Winds 5 to 10 Mph.

Tonight 4 Feb Poweshiek

Mostly cloudy. Lows around 17. Northwest Winds around 5 Mph, becoming southwest after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Grinnell Regional Airport Temperature Statistics

February Temperature

Newton Municipal Airport - Earl Johnson Field (14.9 miles)

  • Lowest 1 February, 2026

    8.6 °F

  • Average February

    22.2 °F

  • Highest 1 February, 2026

    32 °F

Climate (2021–Present)

Newton Municipal Airport - Earl Johnson Field (14.9 miles)

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

  • Average Low 2021–2026

    41.4 °F

  • Average 2021–2026

    51.2 °F

  • Average High 2021–2026

    61.1 °F
Get WillyWeather+ to remove ads