Osceola, IA Weather & Growing Conditions
Today
86°F
Partly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 2pm. Partly sunny. High near 86, with temperatures falling to around 84 in the afternoon. West wind around 8 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Partly Sunny then Chance Showers And Thunderstorms | 8 mph W | 36% |
| Tonight | 63°F | Showers And Thunderstorms | 7 to 10 mph NNE | 83% |
| Wednesday | 73°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 8 mph NE | 70% |
| Wednesday Night | 59°F | Chance Showers And Thunderstorms | 3 to 8 mph NE | 48% |
| Thursday | 81°F | Mostly Sunny | 5 mph ENE | 14% |
| Thursday Night | 61°F | Mostly Clear | 3 mph SE | 5% |
| Friday | 85°F | Sunny | 3 to 7 mph S | 5% |
| Friday Night | 66°F | Mostly Clear | 6 mph S | 13% |
| Saturday | 89°F | Sunny | 6 to 10 mph SSW | 4% |
| Saturday Night | 71°F | Mostly Clear | 10 to 14 mph SSW | 9% |
| Sunday | 90°F | Mostly Sunny | 14 mph SSW | 9% |
| Sunday Night | 71°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 13 mph S | 20% |
| Monday | 91°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 15 mph SSW | 20% |
| Monday Night | 71°F | Chance Showers And Thunderstorms | 14 mph S | 26% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Osceola, IA
Last spring frost
Apr 29
First fall frost
Oct 9
Growing season
162 days
Hardiness zone
5b
Explore more for Osceola, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Osceola, Ia (1.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.