Harris, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Harris, a city in Osceola County, Iowa.
Today
72°F
Patchy Smoke
Patchy smoke and a chance of showers and thunderstorms before 8am, then a chance of rain showers and patchy smoke between 8am and 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 72. North northwest wind 5 to 15 mph. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Harris
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 72°F | Patchy Smoke | 5 to 15 mph NNW | 40% |
| Tonight | 53°F | Chance Rain Showers then Mostly Cloudy | 0 to 5 mph NW | 33% |
| Wednesday | 75°F | Mostly Sunny | 0 to 5 mph SE | 1% |
| Wednesday Night | 53°F | Mostly Clear | 5 mph SSE | 0% |
| Thursday | 81°F | Sunny | 5 to 10 mph SSW | 0% |
| Thursday Night | 61°F | Mostly Clear | 10 mph S | 2% |
| Friday | 85°F | Sunny | 10 to 15 mph SSW | 6% |
| Friday Night | 64°F | Mostly Clear | 10 mph S | 13% |
| Saturday | 87°F | Sunny | 5 to 15 mph S | 9% |
| Saturday Night | 67°F | Slight Chance Showers And Thunderstorms | 15 mph ESE | 23% |
| Sunday | 85°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 10 to 15 mph ESE | 23% |
| Sunday Night | 67°F | Partly Cloudy then Chance Showers And Thunderstorms | 10 to 15 mph E | 29% |
| Monday | 84°F | Chance Showers And Thunderstorms then Partly Sunny | 15 mph E | 29% |
| Monday Night | 66°F | Chance Showers And Thunderstorms | 10 to 15 mph NE | 26% |
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 Aug 4, 2026.