Harman US

Willow Creek, CA Weather & Growing Conditions

Today
97°F
Sunny then Patchy Smoke
Patchy smoke after 2pm. Sunny, with a high near 97. South southwest wind 2 to 8 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 97°F Sunny then Patchy Smoke 2 to 8 mph SSW 0%
Tonight 64°F Patchy Smoke then Mostly Clear 0 to 6 mph SE 0%
Wednesday 93°F Sunny 1 to 7 mph SSW 0%
Wednesday Night 60°F Mostly Clear 0 to 5 mph W 0%
Thursday 92°F Sunny 0 to 5 mph SW 0%
Thursday Night 58°F Mostly Clear 0 to 3 mph NW 0%
Friday 92°F Sunny 0 to 5 mph NNW 0%
Friday Night 59°F Clear 0 to 3 mph NW 0%
Saturday 88°F Sunny 0 to 5 mph NW 0%
Saturday Night 56°F Mostly Clear 0 to 5 mph W 0%
Sunday 84°F Sunny 0 to 6 mph NW 0%
Sunday Night 53°F Mostly Clear 0 to 5 mph W 0%
Monday 83°F Sunny 0 to 6 mph NW 0%
Monday Night 52°F Mostly Clear 0 to 5 mph W 0%

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 Aug 4, 2026.