Grand Ronde, OR Weather & Growing Conditions
Tonight
37°F
Mostly Clear then Patchy Fog
Patchy fog after 4am. Mostly clear, with a low around 37. Wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 37°F | Mostly Clear then Patchy Fog | 0 mph | 2% |
| Wednesday | 55°F | Areas Of Fog then Light Rain | 1 mph ESE | 85% |
| Wednesday Night | 43°F | Light Rain Likely | 1 to 5 mph WSW | 64% |
| Thursday | 58°F | Areas Of Fog then Mostly Sunny | 1 mph NE | 11% |
| Thursday Night | 41°F | Areas Of Fog | 0 mph | 20% |
| Friday | 58°F | Areas Of Fog then Chance Light Rain | 1 mph ENE | 43% |
| Friday Night | 45°F | Chance Light Rain then Mostly Cloudy | 1 mph ENE | 43% |
| Saturday | 62°F | Partly Sunny then Chance Light Rain | 1 mph SE | 39% |
| Saturday Night | 47°F | Light Rain | 1 to 15 mph SSW | 81% |
| Sunday | 56°F | Chance Light Rain | 0 to 12 mph W | 41% |
| Sunday Night | 42°F | Mostly Cloudy then Slight Chance Light Rain | 0 mph | 15% |
| Monday | 56°F | Chance Light Rain | 1 mph SSE | 39% |
| Monday Night | 44°F | Chance Light Rain | 0 to 8 mph S | 41% |
| Tuesday | 57°F | Chance Light Rain | 1 to 8 mph S | 43% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Grand Ronde, OR
Last spring frost
May 20
First fall frost
Oct 23
Growing season
157 days
Hardiness zone
8b
Explore more for Grand Ronde, OR: full frost dates · planting calendar · Oregon frost dates
Climate data from the nearest NOAA station, Laurel Mtn, Or (12.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.