Grinnell Regional Airport Weather Forecast
- 43
- 72
Sunny
- 36
- 68
Chance Rain
- 27
- 46
Chance Rain
- 36
- 55
Chance Rain
- 33
- 49
Slight Chance Rain/Snow
- 34
- 55
Chance Rain/Snow
- 16
- 42
Chance Rain/Snow
Today 9 Mar Poweshiek
Sunny. Highs in the lower 70s. Southwest Winds 5 to 10 Mph.
Tonight 9 Mar Poweshiek
Clear. Lows in the lower 40s. West Winds 5 to 10 Mph, becoming northeast.
Grinnell Regional Airport Temperature Statistics
March Temperature
Newton Municipal Airport - Earl Johnson Field (14.9 miles)
Lowest 1 March, 2026
19.4 °FAverage March
40.5 °FHighest 6 March, 2026
68 °F
Climate (2021–Present)
Newton Municipal Airport - Earl Johnson Field (14.9 miles)
Average Low 2021–2026
41.6 °FAverage 2021–2026
51.5 °FAverage High 2021–2026
61.5 °F