Humboldt Hill, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Humboldt Hill, a community in Humboldt County, California.
Tonight
46°F
Partly Cloudy
Partly cloudy, with a low around 46. South southeast wind around 5 mph.
7-day forecast for Humboldt Hill
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 46°F | Partly Cloudy | 5 mph SSE | 2% |
| Wednesday | 60°F | Mostly Cloudy then Slight Chance Light Rain | 2 to 6 mph NNW | 17% |
| Wednesday Night | 49°F | Slight Chance Light Rain then Cloudy | 2 to 7 mph NNE | 17% |
| Thursday | 59°F | Mostly Sunny | 7 mph N | 1% |
| Thursday Night | 47°F | Mostly Cloudy | 2 to 7 mph NNE | 0% |
| Friday | 60°F | Mostly Sunny | 2 to 6 mph NNE | 0% |
| Friday Night | 48°F | Partly Cloudy | 5 mph NE | 0% |
| Saturday | 62°F | Partly Sunny | 5 mph S | 2% |
| Saturday Night | 51°F | Mostly Cloudy then Slight Chance Light Rain | 6 mph S | 22% |
| Sunday | 61°F | Slight Chance Light Rain | 1 to 5 mph SE | 22% |
| Sunday Night | 50°F | Mostly Cloudy then Slight Chance Light Rain | 3 mph E | 18% |
| Monday | 60°F | Slight Chance Light Rain | 2 to 6 mph S | 18% |
| Monday Night | 49°F | Slight Chance Light Rain | 5 mph S | 22% |
| Tuesday | 61°F | Chance Light Rain | 6 mph S | 32% |
Forecast source: National Weather Service (api.weather.gov) for Humboldt Hill (40.722, -124.197). Updated through the day.
Growing snapshot for Humboldt Hill
Last spring frost
Feb 22
First fall frost
Dec 7
Growing season
293 days
Hardiness zone
9b
More local growing data for Humboldt Hill: nearby ZIP 95537 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, Eureka Wfo Woodley Island, Ca (6.5 mi from Humboldt Hill). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.