Grants Pass, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Grants Pass, a city in Josephine County, Oregon.
Overnight
50°F
Clear
Clear. Low around 50, with temperatures rising to around 52 overnight. East northeast wind around 2 mph.
7-day forecast for Grants Pass
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 50°F | Clear | 2 mph ENE | 0% |
| Saturday | 89°F | Sunny | 1 to 7 mph NW | 0% |
| Saturday Night | 51°F | Partly Cloudy | 1 to 7 mph NE | 0% |
| Sunday | 90°F | Sunny | 1 to 9 mph WNW | 0% |
| Sunday Night | 53°F | Mostly Clear | 0 to 9 mph NW | 0% |
| Monday | 85°F | Sunny | 0 to 7 mph NNW | 0% |
| Monday Night | 51°F | Mostly Clear | 0 to 7 mph N | 0% |
| Tuesday | 82°F | Sunny | 0 to 7 mph N | 0% |
| Tuesday Night | 48°F | Mostly Clear | 0 to 7 mph N | 0% |
| Wednesday | 82°F | Sunny | 0 to 6 mph N | 0% |
| Wednesday Night | 49°F | Partly Cloudy | 0 to 6 mph N | 0% |
| Thursday | 80°F | Mostly Sunny | 0 to 6 mph NNW | 1% |
| Thursday Night | 49°F | Partly Cloudy | 0 to 6 mph NNW | 4% |
| Friday | 76°F | Mostly Sunny | 0 to 6 mph N | 4% |
Forecast source: National Weather Service (api.weather.gov) for Grants Pass (42.432, -123.332). Updated through the day.
Growing snapshot for Grants Pass
Last spring frost
Apr 8
First fall frost
Oct 28
Growing season
201 days
Hardiness zone
8b
More local growing data for Grants Pass: nearby ZIP 97527 weather · frost dates · planting calendar · Oregon frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Grants Pass, Or (4.4 mi from Grants Pass). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.