Leon, IA Weather & Growing Conditions
Today
88°F
Mostly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 5pm. Mostly sunny. High near 88, with temperatures falling to around 86 in the afternoon. South southwest wind around 6 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 88°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 6 mph SSW | 17% |
| Tonight | 65°F | Showers And Thunderstorms Likely | 8 mph NNE | 63% |
| Wednesday | 76°F | Showers And Thunderstorms Likely | 8 mph NE | 75% |
| Wednesday Night | 61°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 5 to 9 mph NE | 55% |
| Thursday | 82°F | Chance Showers And Thunderstorms then Mostly Sunny | 5 mph ENE | 35% |
| Thursday Night | 62°F | Mostly Clear | 3 mph ESE | 3% |
| Friday | 86°F | Sunny | 6 mph S | 6% |
| Friday Night | 67°F | Mostly Clear | 6 mph S | 13% |
| Saturday | 90°F | Sunny | 5 to 12 mph S | 5% |
| Saturday Night | 72°F | Mostly Clear | 13 mph S | 9% |
| Sunday | 92°F | Mostly Sunny | 14 mph SSW | 9% |
| Sunday Night | 72°F | Partly Cloudy | 10 to 14 mph S | 14% |
| Monday | 92°F | Mostly Sunny | 12 to 16 mph SSW | 14% |
| Monday Night | 72°F | Slight Chance Showers And Thunderstorms | 12 to 15 mph SSW | 24% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Leon, IA
Last spring frost
Apr 30
First fall frost
Oct 8
Growing season
161 days
Hardiness zone
5b
Explore more for Leon, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Leon 6 Ese, Ia (4.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.