Harris, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Harris, a city in Osceola County, Iowa.
Today
67°F
Areas Of Fog
Areas of fog and a chance of rain showers before 5pm. Cloudy, with a high near 67. North wind 5 to 15 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Harris
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 67°F | Areas Of Fog | 5 to 15 mph N | 28% |
| Tonight | 55°F | Patchy Fog | 10 to 15 mph NNE | 12% |
| Sunday | 66°F | Mostly Cloudy | 15 mph NE | 8% |
| Sunday Night | 52°F | Chance Rain Showers | 10 to 15 mph ENE | 36% |
| Monday | 61°F | Chance Rain Showers | 10 mph ENE | 49% |
| Monday Night | 46°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph ENE | 23% |
| Tuesday | 63°F | Mostly Sunny | 5 to 10 mph E | 5% |
| Tuesday Night | 43°F | Mostly Clear | 5 mph SE | 1% |
| Wednesday | 66°F | Mostly Sunny | 5 to 10 mph SE | 3% |
| Wednesday Night | 49°F | Partly Cloudy then Slight Chance Rain Showers | 5 mph SSE | 18% |
| Thursday | 67°F | Slight Chance Rain Showers | 5 to 10 mph SSE | 19% |
| Thursday Night | 53°F | Mostly Cloudy | 5 mph SE | 12% |
| Friday | 70°F | Partly Sunny | 5 to 10 mph SE | 12% |
| Friday Night | 54°F | Mostly Cloudy then Slight Chance Rain Showers | 5 to 10 mph SSE | 16% |
Forecast source: National Weather Service (api.weather.gov) for Harris (43.445, -95.437). Updated through the day.
Growing snapshot for Harris
Last spring frost
Apr 30
First fall frost
Oct 10
Growing season
164 days
Hardiness zone
5a
More local growing data for Harris: nearby ZIP 51345 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Lake Park, Ia (5.9 mi from Harris). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.