Willow Creek, CA Weather & Growing Conditions
Overnight
38°F
Patchy Fog
Patchy fog. Mostly clear, with a low around 38. East southeast wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 38°F | Patchy Fog | 2 mph ESE | 0% |
| Wednesday | 60°F | Patchy Fog then Partly Sunny | 1 to 6 mph SSW | 4% |
| Wednesday Night | 39°F | Patchy Fog | 2 mph N | 4% |
| Thursday | 64°F | Patchy Fog then Sunny | 3 mph N | 0% |
| Thursday Night | 39°F | Mostly Clear | 2 mph NW | 0% |
| Friday | 66°F | Mostly Sunny | 2 mph WNW | 0% |
| Friday Night | 39°F | Mostly Clear | 2 mph NNE | 0% |
| Saturday | 69°F | Sunny | 2 mph S | 1% |
| Saturday Night | 42°F | Areas Of Fog | 1 mph S | 16% |
| Sunday | 61°F | Areas Of Fog | 1 mph WNW | 16% |
| Sunday Night | 42°F | Areas Of Fog | 1 mph NNE | 2% |
| Monday | 61°F | Slight Chance Light Rain | 2 mph SW | 15% |
| Monday Night | 40°F | Slight Chance Light Rain then Areas Of Fog | 2 mph S | 18% |
| Tuesday | 62°F | Patchy Fog | 2 mph SSE | 23% |
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 (14.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.