Owasa, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Owasa, a city in Hardin County, Iowa.
Overnight
65°F
Mostly Cloudy
Mostly cloudy, with a low around 65. South wind around 7 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Owasa
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 65°F | Mostly Cloudy | 7 mph S | 9% |
| Tuesday | 78°F | Showers And Thunderstorms Likely | 6 to 9 mph WNW | 56% |
| Tuesday Night | 59°F | Showers And Thunderstorms Likely | 3 to 8 mph N | 67% |
| Wednesday | 74°F | Chance Showers And Thunderstorms then Partly Sunny | 3 mph NNE | 28% |
| Wednesday Night | 54°F | Mostly Clear | 2 mph NNE | 6% |
| Thursday | 80°F | Sunny | 0 to 3 mph E | 1% |
| Thursday Night | 59°F | Mostly Clear | 3 mph SSE | 0% |
| Friday | 83°F | Sunny | 2 to 9 mph S | 9% |
| Friday Night | 64°F | Slight Chance Showers And Thunderstorms | 7 mph S | 16% |
| Saturday | 86°F | Sunny | 3 to 9 mph S | 13% |
| Saturday Night | 70°F | Mostly Clear then Slight Chance Showers And Thunderstorms | 12 mph S | 17% |
| Sunday | 87°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 10 mph SSE | 17% |
| Sunday Night | 69°F | Slight Chance Showers And Thunderstorms | 9 mph SSE | 34% |
| Monday | 86°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 10 mph SSE | 34% |
Forecast source: National Weather Service (api.weather.gov) for Owasa (42.432, -93.205). Updated through the day.
Growing snapshot for Owasa
Last spring frost
Apr 28
First fall frost
Oct 10
Growing season
164 days
Hardiness zone
5a
More local growing data for Owasa: nearby ZIP 50126 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Alden
Buckeye
Eldora
Garden City
Hubbard
Iowa Falls
New Providence
Radcliffe
Steamboat Rock
Union
Whitten
Climate data from the nearest NOAA station, Iowa Falls, Ia (0.6 mi from Owasa). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.