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Willow Creek, CA Weather & Growing Conditions

Overnight
52°F
Mostly Clear
Mostly clear, with a low around 52. East wind around 2 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 52°F Mostly Clear 2 mph E 0%
Saturday 76°F Sunny 1 to 5 mph NE 0%
Saturday Night 54°F Partly Cloudy 1 to 5 mph N 0%
Sunday 77°F Mostly Sunny 3 mph ESE 0%
Sunday Night 56°F Partly Cloudy 2 mph N 0%
Monday 78°F Sunny 3 mph NNW 0%
Monday Night 57°F Mostly Clear 3 mph ENE 0%
Tuesday 75°F Sunny 3 mph NW 0%
Tuesday Night 55°F Mostly Clear 3 mph ENE 0%
Wednesday 76°F Sunny 3 mph NNW 0%
Wednesday Night 56°F Partly Cloudy 3 mph E 0%
Thursday 76°F Mostly Sunny 3 mph NNE 0%
Thursday Night 56°F Partly Cloudy 3 mph ENE 1%
Friday 72°F Mostly Sunny 2 mph NNE 3%

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 Sep 19, 2026.