Grants Pass, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Grants Pass, a city in Josephine County, Oregon.
Tonight
51°F
Partly Cloudy
Partly cloudy. Low around 51, with temperatures rising to around 53 overnight. Wind around 0 mph.
7-day forecast for Grants Pass
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 51°F | Partly Cloudy | 0 mph | 0% |
| Sunday | 91°F | Sunny | 0 to 3 mph NW | 0% |
| Sunday Night | 54°F | Partly Cloudy | 0 to 3 mph NNW | 0% |
| Monday | 86°F | Mostly Sunny | 0 to 7 mph NNW | 0% |
| Monday Night | 52°F | Mostly Clear | 0 to 7 mph NNW | 0% |
| Tuesday | 80°F | Sunny | 0 to 7 mph NNW | 0% |
| Tuesday Night | 47°F | Mostly Clear | 0 to 7 mph N | 0% |
| Wednesday | 79°F | Sunny | 0 to 6 mph N | 0% |
| Wednesday Night | 48°F | Partly Cloudy | 0 to 6 mph N | 0% |
| Thursday | 79°F | Mostly Sunny | 0 to 6 mph NNW | 2% |
| Thursday Night | 48°F | Partly Cloudy | 0 to 6 mph NNW | 10% |
| Friday | 73°F | Mostly Sunny | 0 to 7 mph N | 10% |
| Friday Night | 46°F | Partly Cloudy | 0 to 7 mph NNW | 7% |
| Saturday | 75°F | Mostly Sunny | 0 to 5 mph N | 7% |
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 20, 2026.