Cave Junction, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cave Junction, a city in Josephine County, Oregon.
Today
104°F
Areas Of Smoke
Areas of smoke before 2pm. Sunny, with a high near 104. North wind 3 to 8 mph.
7-day forecast for Cave Junction
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 104°F | Areas Of Smoke | 3 to 8 mph N | 0% |
| Tonight | 61°F | Areas Of Smoke | 2 to 8 mph N | 0% |
| Wednesday | 104°F | Sunny | 1 to 8 mph WNW | 0% |
| Wednesday Night | 62°F | Clear | 0 to 8 mph W | 0% |
| Thursday | 102°F | Sunny | 0 to 6 mph NW | 0% |
| Thursday Night | 60°F | Clear | 0 to 6 mph NW | 0% |
| Friday | 101°F | Sunny | 0 to 6 mph N | 0% |
| Friday Night | 59°F | Clear | 2 to 6 mph NNE | 0% |
| Saturday | 96°F | Sunny | 2 to 8 mph NNE | 0% |
| Saturday Night | 56°F | Clear | 3 to 8 mph NNE | 0% |
| Sunday | 90°F | Sunny | 3 to 10 mph NNE | 0% |
| Sunday Night | 53°F | Clear | 5 to 12 mph NNE | 0% |
| Monday | 89°F | Sunny | 5 to 10 mph NNE | 0% |
| Monday Night | 52°F | Clear | 3 to 10 mph NNE | 0% |
Forecast source: National Weather Service (api.weather.gov) for Cave Junction (42.167, -123.648). Updated through the day.
Growing snapshot for Cave Junction
Last spring frost
May 1
First fall frost
Oct 12
Growing season
161 days
Hardiness zone
8b
More local growing data for Cave Junction: nearby ZIP 97531 weather · frost dates · planting calendar · Oregon frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Cave Junction 1 Wnw, Or (3.5 mi from Cave Junction). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.