Lamoni, IA Weather & Growing Conditions
Tonight
46°F
Chance Rain Showers then Cloudy
A chance of rain showers before 9pm. Cloudy. Low around 46, with temperatures rising to around 48 overnight. West northwest wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 46°F | Chance Rain Showers then Cloudy | 14 mph WNW | 26% |
| Wednesday | 52°F | Mostly Cloudy | 12 to 15 mph W | 10% |
| Wednesday Night | 42°F | Mostly Cloudy | 10 mph W | 3% |
| Thursday | 53°F | Mostly Cloudy then Chance Rain Showers | 8 to 12 mph WNW | 30% |
| Thursday Night | 41°F | Mostly Cloudy | 8 mph NNW | 8% |
| Friday | 52°F | Partly Sunny | 3 to 8 mph N | 2% |
| Friday Night | 35°F | Mostly Cloudy | 2 mph NNW | 0% |
| Saturday | 55°F | Partly Sunny | 1 to 5 mph WSW | 3% |
| Saturday Night | 37°F | Mostly Clear | 5 mph W | 5% |
| Sunday | 61°F | Sunny | 6 mph W | 2% |
| Sunday Night | 39°F | Mostly Clear | 6 mph SW | 0% |
| Monday | 65°F | Sunny | 6 to 12 mph SW | 0% |
| Monday Night | 42°F | Mostly Clear | 6 mph WNW | 0% |
| Tuesday | 64°F | Mostly Sunny | 7 mph NNE | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Lamoni, IA
Last spring frost
Apr 16
First fall frost
Oct 20
Growing season
187 days
Hardiness zone
5b
Explore more for Lamoni, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Lamoni, Ia (1.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.