Grinnell Regional Airport Wind Forecast
Grinnell Regional Airport Wind Statistics
September Wind
Newton Municipal Airport - Earl Johnson Field (14.9 miles)
Strongest 4 September, 2026
13.9mph SAverage September
7.2mph
Climate (2021–2026)
Newton Municipal Airport - Earl Johnson Field (14.9 miles)
Strongest 25 March, 2022
36.9mph WNWAverage 2021–2026
10.2mph