Irrigon, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Irrigon, a city in Morrow County, Oregon.
This Afternoon
82°F
Sunny
Sunny, with a high near 82. Northeast wind around 2 mph.
7-day forecast for Irrigon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 82°F | Sunny | 2 mph NE | 0% |
| Tonight | 54°F | Mostly Clear | 2 mph E | 0% |
| Sunday | 86°F | Sunny | 2 mph N | 0% |
| Sunday Night | 55°F | Mostly Clear | 2 mph NE | 0% |
| Monday | 86°F | Sunny | 2 mph W | 0% |
| Monday Night | 57°F | Partly Cloudy | 3 mph SW | 0% |
| Tuesday | 82°F | Sunny | 2 to 6 mph SW | 0% |
| Tuesday Night | 53°F | Partly Cloudy | 7 mph SW | 0% |
| Wednesday | 77°F | Mostly Sunny | 6 mph SW | 0% |
| Wednesday Night | 51°F | Partly Cloudy | 1 to 5 mph SW | 1% |
| Thursday | 75°F | Mostly Sunny | 2 mph NW | 3% |
| Thursday Night | 51°F | Mostly Cloudy | 2 mph NW | 5% |
| Friday | 72°F | Mostly Sunny | 1 to 5 mph SW | 5% |
| Friday Night | 49°F | Partly Cloudy | 5 mph SW | 5% |
Forecast source: National Weather Service (api.weather.gov) for Irrigon (45.895, -119.489). Updated through the day.
Growing snapshot for Irrigon
Last spring frost
Apr 14
First fall frost
Oct 21
Growing season
188 days
Hardiness zone
7b
More local growing data for Irrigon: nearby ZIP 97844 weather · frost dates · planting calendar · Oregon frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Boardman, Or (7.4 mi from Irrigon). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.