Lamoni, IA Weather & Growing Conditions
This Afternoon
90°F
Mostly Sunny
Mostly sunny. High near 90, with temperatures falling to around 88 in the afternoon. South southeast wind around 9 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 90°F | Mostly Sunny | 9 mph SSE | 12% |
| Tonight | 70°F | Partly Cloudy then Chance Showers And Thunderstorms | 8 mph SSE | 30% |
| Saturday | 85°F | Chance Showers And Thunderstorms | 9 mph SSW | 30% |
| Saturday Night | 64°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 7 mph N | 61% |
| Sunday | 71°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 6 to 12 mph NNE | 60% |
| Sunday Night | 59°F | Showers And Thunderstorms Likely | 10 mph NE | 60% |
| Monday | 63°F | Rain Showers Likely | 10 mph NE | 56% |
| Monday Night | 53°F | Chance Rain Showers | 7 to 10 mph NE | 53% |
| Tuesday | 61°F | Mostly Cloudy | 9 mph NE | 10% |
| Tuesday Night | 48°F | Mostly Cloudy | 3 to 7 mph NE | 4% |
| Wednesday | 64°F | Mostly Sunny | 6 mph ENE | 2% |
| Wednesday Night | 51°F | Partly Cloudy | 3 mph E | 5% |
| Thursday | 66°F | Partly Sunny | 5 mph ESE | 13% |
| Thursday Night | 55°F | Mostly Cloudy then Slight Chance Rain Showers | 3 mph E | 16% |
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 21
Growing season
186 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 Muni Ap, Ia (4.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.