Rio Dell, CA Weather & Growing Conditions
Today
78°F
Patchy Smoke
Patchy smoke after 11am. Sunny, with a high near 78. North wind 1 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 78°F | Patchy Smoke | 1 to 5 mph N | 0% |
| Tonight | 59°F | Patchy Smoke | 0 to 3 mph NNE | 0% |
| Wednesday | 77°F | Patchy Smoke then Sunny | 0 to 6 mph NNW | 0% |
| Wednesday Night | 57°F | Partly Cloudy | 0 to 3 mph NNW | 0% |
| Thursday | 76°F | Mostly Sunny | 0 to 5 mph NNW | 0% |
| Thursday Night | 56°F | Partly Cloudy | 0 to 5 mph NNW | 0% |
| Friday | 76°F | Mostly Sunny | 0 to 6 mph NNW | 0% |
| Friday Night | 55°F | Partly Cloudy | 1 to 6 mph N | 0% |
| Saturday | 72°F | Mostly Sunny | 1 to 9 mph N | 0% |
| Saturday Night | 53°F | Partly Cloudy | 5 to 9 mph N | 1% |
| Sunday | 68°F | Mostly Sunny | 5 to 12 mph NNW | 0% |
| Sunday Night | 53°F | Partly Cloudy | 6 to 12 mph NNW | 1% |
| Monday | 67°F | Mostly Sunny | 5 to 10 mph NNW | 1% |
| Monday Night | 52°F | Partly Cloudy | 3 to 10 mph N | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Rio Dell, CA
Last spring frost
Feb 1
First fall frost
Dec 19
Growing season
328 days
Hardiness zone
9b
Explore more for Rio Dell, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Scotia, Ca (5.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.