McKinleyville, CA Weather & Growing Conditions
This Afternoon
66°F
Partly Sunny
Partly sunny. High near 66, with temperatures falling to around 62 in the afternoon. Northeast wind 1 to 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 66°F | Partly Sunny | 1 to 6 mph NE | 7% |
| Tonight | 42°F | Partly Cloudy | 3 to 7 mph E | 2% |
| Wednesday | 62°F | Mostly Cloudy then Slight Chance Light Rain | 1 to 6 mph N | 20% |
| Wednesday Night | 44°F | Slight Chance Light Rain then Areas Of Fog | 3 mph N | 20% |
| Thursday | 62°F | Mostly Sunny | 1 to 6 mph NNW | 5% |
| Thursday Night | 41°F | Partly Cloudy then Patchy Fog | 1 to 6 mph NE | 0% |
| Friday | 64°F | Patchy Fog then Mostly Sunny | 0 to 3 mph NNW | 0% |
| Friday Night | 43°F | Mostly Clear | 2 mph NE | 0% |
| Saturday | 63°F | Mostly Sunny | 2 mph S | 5% |
| Saturday Night | 47°F | Chance Light Rain | 1 to 5 mph S | 25% |
| Sunday | 60°F | Chance Light Rain | 2 mph N | 25% |
| Sunday Night | 45°F | Areas Of Fog | 1 mph ENE | 19% |
| Monday | 60°F | Areas Of Fog | 2 mph SSW | 19% |
| Monday Night | 44°F | Slight Chance Light Rain | 3 mph SSE | 22% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for McKinleyville, CA
Last spring frost
Mar 8
First fall frost
Nov 30
Growing season
262 days
Hardiness zone
9b
Explore more for McKinleyville, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Arcata Eureka Ap, Ca (3.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.