Ireton, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ireton, a city in Sioux County, Iowa.
Overnight
63°F
Areas Of Fog
Areas of fog before 4am, then areas of fog and a slight chance of showers and thunderstorms. Mostly cloudy. Low around 63, with temperatures rising to around 66 overnight. North northwest wind around 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Ireton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 63°F | Areas Of Fog | 5 mph NNW | 15% |
| Saturday | 68°F | Areas Of Fog then Cloudy | 5 to 10 mph N | 32% |
| Saturday Night | 57°F | Cloudy | 10 mph NNE | 10% |
| Sunday | 65°F | Cloudy then Chance Rain Showers | 10 to 15 mph NE | 27% |
| Sunday Night | 53°F | Rain Showers Likely | 10 mph ENE | 61% |
| Monday | 60°F | Rain Showers Likely | 10 mph ENE | 61% |
| Monday Night | 47°F | Chance Rain Showers then Mostly Cloudy | 5 to 10 mph E | 33% |
| Tuesday | 62°F | Mostly Cloudy | 5 mph E | 3% |
| Tuesday Night | 48°F | Partly Cloudy | 5 mph ESE | 0% |
| Wednesday | 66°F | Mostly Sunny | 5 to 10 mph SE | 9% |
| Wednesday Night | 52°F | Mostly Cloudy then Chance Rain Showers | 5 mph SSE | 36% |
| Thursday | 66°F | Chance Rain Showers | 5 to 10 mph SSE | 36% |
| Thursday Night | 54°F | Mostly Cloudy then Slight Chance Rain Showers | 5 mph SE | 19% |
| Friday | 68°F | Slight Chance Rain Showers then Partly Sunny | 5 to 10 mph SE | 19% |
Forecast source: National Weather Service (api.weather.gov) for Ireton (42.975, -96.322). Updated through the day.
Growing snapshot for Ireton
Last spring frost
May 1
First fall frost
Oct 4
Growing season
155 days
Hardiness zone
5a
More local growing data for Ireton: nearby ZIP 51027 weather · frost dates · planting calendar · Iowa frost dates
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Alton
Boyden
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Sheldon
Sioux Center
Struble
Climate data from the nearest NOAA station, Hawarden, Ia (8.4 mi from Ireton). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.