Cave Junction, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cave Junction, a city in Josephine County, Oregon.
Tonight
35°F
Mostly Clear
Mostly clear, with a low around 35. East wind 0 to 3 mph.
7-day forecast for Cave Junction
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 35°F | Mostly Clear | 0 to 3 mph E | 2% |
| Wednesday | 61°F | Partly Sunny then Chance Light Rain | 0 to 6 mph S | 33% |
| Wednesday Night | 38°F | Light Rain Likely | 0 to 5 mph ESE | 55% |
| Thursday | 63°F | Mostly Sunny | 1 mph NNE | 1% |
| Thursday Night | 37°F | Partly Cloudy | 1 mph SSE | 2% |
| Friday | 68°F | Mostly Sunny | 0 mph | 3% |
| Friday Night | 38°F | Mostly Clear | 1 mph NNE | 1% |
| Saturday | 71°F | Mostly Sunny | 0 to 5 mph SSW | 3% |
| Saturday Night | 41°F | Chance Light Rain | 3 to 13 mph SSW | 47% |
| Sunday | 62°F | Chance Light Rain | 0 to 3 mph WSW | 47% |
| Sunday Night | 39°F | Mostly Cloudy then Slight Chance Light Rain | 1 mph SSE | 20% |
| Monday | 63°F | Slight Chance Light Rain | 2 mph SSW | 23% |
| Monday Night | 39°F | Chance Light Rain | 0 to 3 mph SSW | 28% |
| Tuesday | 65°F | Chance Light Rain | 2 mph SSW | 34% |
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 Nov 4, 2026.