Willow Creek, CA Weather & Growing Conditions
Overnight
38°F
Mostly Clear
Mostly clear, with a low around 38. Southeast wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 38°F | Mostly Clear | 7 mph SE | 0% |
| Wednesday | 54°F | Partly Sunny | 1 to 6 mph NW | 3% |
| Wednesday Night | 40°F | Partly Cloudy | 2 to 6 mph WSW | 3% |
| Thursday | 58°F | Sunny | 3 mph WNW | 0% |
| Thursday Night | 42°F | Mostly Clear | 1 to 5 mph NNE | 0% |
| Friday | 61°F | Mostly Sunny | 3 mph N | 0% |
| Friday Night | 46°F | Mostly Clear | 1 to 7 mph E | 0% |
| Saturday | 65°F | Sunny | 1 to 8 mph S | 1% |
| Saturday Night | 45°F | Partly Cloudy then Slight Chance Light Rain | 5 mph SSE | 15% |
| Sunday | 56°F | Slight Chance Light Rain then Partly Sunny | 2 mph ENE | 15% |
| Sunday Night | 45°F | Mostly Cloudy | 1 to 6 mph E | 2% |
| Monday | 55°F | Partly Sunny | 3 mph SSE | 6% |
| Monday Night | 44°F | Slight Chance Light Rain | 3 to 7 mph SSW | 15% |
| Tuesday | 56°F | Slight Chance Light Rain | 3 mph S | 22% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Willow Creek, CA
Last spring frost
Mar 8
First fall frost
Nov 30
Growing season
262 days
Hardiness zone
9a
Explore more for Willow Creek, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Arcata Eureka Ap, Ca (23.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.