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
36°F
Mostly Clear
Mostly clear, with a low around 36. East wind 0 to 3 mph.
7-day forecast for Grants Pass
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 36°F | Mostly Clear | 0 to 3 mph E | 0% |
| Wednesday | 61°F | Partly Sunny then Slight Chance Light Rain | 0 to 5 mph WSW | 19% |
| Wednesday Night | 40°F | Mostly Cloudy | 1 to 5 mph WNW | 12% |
| Thursday | 63°F | Mostly Sunny | 0 to 3 mph W | 0% |
| Thursday Night | 36°F | Partly Cloudy | 3 mph S | 0% |
| Friday | 67°F | Mostly Sunny | 1 mph W | 0% |
| Friday Night | 38°F | Mostly Clear | 1 mph SW | 0% |
| Saturday | 70°F | Mostly Sunny | 0 mph | 4% |
| Saturday Night | 41°F | Chance Light Rain | 0 to 5 mph WSW | 29% |
| Sunday | 61°F | Chance Light Rain | 0 mph | 29% |
| Sunday Night | 39°F | Mostly Cloudy | 0 mph | 2% |
| Monday | 64°F | Partly Sunny | 0 mph | 6% |
| Monday Night | 39°F | Slight Chance Light Rain | 1 mph NE | 18% |
| Tuesday | 66°F | Slight Chance Light Rain | 0 mph | 24% |
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 Nov 4, 2026.