Grand Ronde, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Grand Ronde, a community in Yamhill County, Oregon.
This Afternoon
69°F
Mostly Sunny
Mostly sunny. High near 69, with temperatures falling to around 67 in the afternoon. West wind 1 to 5 mph.
7-day forecast for Grand Ronde
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 69°F | Mostly Sunny | 1 to 5 mph W | 1% |
| Tonight | 48°F | Partly Cloudy then Areas Of Fog | 0 to 3 mph NW | 0% |
| Saturday | 77°F | Areas Of Fog then Partly Sunny | 2 mph NNW | 0% |
| Saturday Night | 49°F | Partly Cloudy then Patchy Fog | 2 mph NW | 0% |
| Sunday | 78°F | Patchy Fog then Sunny | 0 to 5 mph NNW | 0% |
| Sunday Night | 47°F | Partly Cloudy | 5 mph WNW | 0% |
| Monday | 74°F | Patchy Fog then Mostly Sunny | 0 to 6 mph NW | 0% |
| Monday Night | 46°F | Partly Cloudy then Areas Of Fog | 1 to 6 mph NW | 0% |
| Tuesday | 70°F | Areas Of Fog then Mostly Sunny | 0 to 5 mph NW | 0% |
| Tuesday Night | 44°F | Partly Cloudy | 0 to 5 mph NW | 0% |
| Wednesday | 73°F | Mostly Sunny | 0 mph | 0% |
| Wednesday Night | 49°F | Partly Cloudy | 0 mph | 2% |
| Thursday | 74°F | Mostly Sunny | 1 mph NW | 8% |
| Thursday Night | 47°F | Slight Chance Light Rain | 2 mph NW | 23% |
Forecast source: National Weather Service (api.weather.gov) for Grand Ronde (45.074, -123.621). Updated through the day.
Growing snapshot for Grand Ronde
Last spring frost
May 20
First fall frost
Oct 23
Growing season
157 days
Hardiness zone
8b
More local growing data for Grand Ronde: nearby ZIP 97347 weather · frost dates · planting calendar · Oregon frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Laurel Mtn, Or (11.5 mi from Grand Ronde). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.