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McKinleyville, CA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for McKinleyville, a community in Humboldt County, California.

Today
63°F
Patchy Fog then Mostly Cloudy
Patchy fog before 8am. Mostly cloudy, with a high near 63. Northwest wind 1 to 5 mph.

7-day forecast for McKinleyville

WhenTempForecastWindPrecip
Today 63°F Patchy Fog then Mostly Cloudy 1 to 5 mph NW 0%
Tonight 48°F Areas Of Fog 0 to 5 mph WSW 2%
Sunday 62°F Areas Of Fog then Mostly Cloudy 0 to 5 mph NW 2%
Sunday Night 49°F Areas Of Fog 0 to 5 mph NW 1%
Monday 65°F Areas Of Fog then Partly Sunny 0 to 5 mph NNW 0%
Monday Night 50°F Areas Of Fog 0 to 5 mph NNE 0%
Tuesday 64°F Patchy Fog then Partly Sunny 1 to 6 mph NNW 0%
Tuesday Night 49°F Areas Of Fog 0 to 6 mph N 0%
Wednesday 67°F Areas Of Fog then Mostly Sunny 0 to 6 mph N 0%
Wednesday Night 49°F Mostly Cloudy 0 to 6 mph NNE 0%
Thursday 67°F Partly Sunny 0 to 5 mph NW 1%
Thursday Night 50°F Mostly Cloudy then Patchy Fog 0 to 5 mph N 2%
Friday 66°F Partly Sunny 0 to 6 mph NNW 2%
Friday Night 49°F Mostly Cloudy then Patchy Fog 1 to 5 mph NE 5%

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 Sep 19, 2026.