McKinleyville, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for McKinleyville, a community in Humboldt County, California.
Overnight
41°F
Partly Cloudy
Partly cloudy, with a low around 41. East southeast wind around 5 mph.
7-day forecast for McKinleyville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 41°F | Partly Cloudy | 5 mph ESE | 1% |
| Wednesday | 59°F | Mostly Cloudy then Slight Chance Light Rain | 5 mph NNW | 21% |
| Wednesday Night | 43°F | Slight Chance Light Rain then Patchy Fog | 5 mph N | 21% |
| Thursday | 60°F | Patchy Fog | 1 to 6 mph NNW | 4% |
| Thursday Night | 40°F | Mostly Cloudy then Patchy Fog | 1 to 6 mph NE | 0% |
| Friday | 61°F | Patchy Fog then Mostly Sunny | 0 to 3 mph NNW | 0% |
| Friday Night | 42°F | Partly Cloudy | 2 mph NE | 0% |
| Saturday | 64°F | Mostly Sunny | 2 mph S | 5% |
| Saturday Night | 47°F | Chance Light Rain | 1 to 6 mph SSE | 25% |
| Sunday | 61°F | Chance Light Rain | 2 mph WSW | 26% |
| Sunday Night | 45°F | Areas Of Fog | 2 mph ENE | 19% |
| Monday | 61°F | Patchy Fog | 0 to 3 mph SSW | 19% |
| Monday Night | 43°F | Slight Chance Light Rain | 3 mph SSE | 22% |
| Tuesday | 63°F | Chance Light Rain | 3 mph SSE | 32% |
Forecast source: National Weather Service (api.weather.gov) for McKinleyville (40.952, -124.077). Updated through the day.
Growing snapshot for McKinleyville
Last spring frost
Mar 8
First fall frost
Nov 30
Growing season
262 days
Hardiness zone
9b
More local growing data for McKinleyville: nearby ZIP 95519 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, Arcata Eureka Ap, Ca (3.1 mi from McKinleyville). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.