Leon, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Leon, a city in Decatur County, Iowa.
This Afternoon
50°F
Cloudy
Cloudy. High near 50, with temperatures falling to around 48 in the afternoon. West wind around 14 mph, with gusts as high as 23 mph.
7-day forecast for Leon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 50°F | Cloudy | 14 mph W | 7% |
| Tonight | 42°F | Cloudy | 10 mph W | 14% |
| Thursday | 52°F | Slight Chance Rain Showers | 12 mph NW | 15% |
| Thursday Night | 39°F | Mostly Cloudy | 8 mph N | 3% |
| Friday | 49°F | Partly Sunny | 5 to 8 mph N | 3% |
| Friday Night | 29°F | Partly Cloudy | 0 to 3 mph NNE | 0% |
| Saturday | 52°F | Mostly Sunny | 1 to 5 mph WSW | 0% |
| Saturday Night | 34°F | Mostly Clear | 3 mph WSW | 0% |
| Sunday | 60°F | Sunny | 5 mph W | 0% |
| Sunday Night | 37°F | Clear | 5 mph SW | 0% |
| Monday | 65°F | Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 41°F | Clear | 6 mph WSW | 0% |
| Tuesday | 64°F | Sunny | 5 mph NNW | 1% |
| Tuesday Night | 42°F | Partly Cloudy | 3 mph NNE | 2% |
Forecast source: National Weather Service (api.weather.gov) for Leon (40.741, -93.756). Updated through the day.
Growing snapshot for Leon
Last spring frost
Apr 30
First fall frost
Oct 8
Growing season
161 days
Hardiness zone
5b
More local growing data for Leon: nearby ZIP 50144 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Leon 6 Ese, Ia (4.9 mi from Leon). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.