Irrigon, OR Weather & Growing Conditions
Overnight
32°F
Patchy Fog
Patchy fog. Mostly clear. Low around 32, with temperatures rising to around 34 overnight. South wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 32°F | Patchy Fog | 2 mph S | 0% |
| Wednesday | 54°F | Patchy Fog then Sunny | 1 mph SE | 2% |
| Wednesday Night | 37°F | Chance Rain Showers | 1 to 5 mph S | 47% |
| Thursday | 59°F | Mostly Sunny | 2 to 9 mph SW | 9% |
| Thursday Night | 35°F | Patchy Fog | 3 mph S | 3% |
| Friday | 55°F | Patchy Fog then Mostly Cloudy | 1 mph S | 3% |
| Friday Night | 37°F | Mostly Cloudy | 2 mph E | 2% |
| Saturday | 58°F | Mostly Sunny | 2 mph N | 1% |
| Saturday Night | 37°F | Mostly Cloudy | 2 mph SW | 3% |
| Sunday | 60°F | Mostly Cloudy | 2 to 7 mph SW | 3% |
| Sunday Night | 37°F | Mostly Cloudy | 3 mph SW | 1% |
| Monday | 55°F | Partly Sunny | 1 mph N | 6% |
| Monday Night | 36°F | Mostly Cloudy then Slight Chance Rain Showers | 1 mph N | 15% |
| Tuesday | 59°F | Slight Chance Rain Showers then Partly Sunny | 2 mph E | 15% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Irrigon, OR
Last spring frost
Apr 14
First fall frost
Oct 21
Growing season
188 days
Hardiness zone
7b
Explore more for Irrigon, OR: full frost dates · planting calendar · Oregon frost dates
Climate data from the nearest NOAA station, Boardman, Or (7.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.