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Blue Lake, CA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Blue Lake, a city in Humboldt County, California.

This Afternoon
70°F
Sunny
Sunny, with a high near 70. West northwest wind around 6 mph.

7-day forecast for Blue Lake

WhenTempForecastWindPrecip
This Afternoon 70°F Sunny 6 mph WNW 0%
Tonight 50°F Areas Of Fog 0 to 5 mph E 1%
Saturday 68°F Patchy Fog then Partly Sunny 1 to 6 mph SW 1%
Saturday Night 51°F Patchy Fog 0 to 5 mph ENE 2%
Sunday 68°F Patchy Fog then Mostly Cloudy 0 to 5 mph NW 0%
Sunday Night 52°F Areas Of Fog 0 to 3 mph WNW 1%
Monday 70°F Areas Of Fog then Mostly Sunny 0 to 5 mph NW 0%
Monday Night 52°F Partly Cloudy then Areas Of Fog 0 to 3 mph N 0%
Tuesday 70°F Areas Of Fog then Mostly Sunny 0 to 5 mph NW 0%
Tuesday Night 51°F Partly Cloudy then Patchy Fog 0 to 5 mph N 0%
Wednesday 73°F Patchy Fog then Mostly Sunny 0 to 5 mph NW 0%
Wednesday Night 53°F Partly Cloudy 0 to 3 mph N 0%
Thursday 74°F Mostly Sunny 0 to 5 mph WNW 1%
Thursday Night 53°F Mostly Cloudy 0 to 3 mph N 3%

Forecast source: National Weather Service (api.weather.gov) for Blue Lake (40.881, -123.995). Updated through the day.

Growing snapshot for Blue Lake

Last spring frost
Feb 22
First fall frost
Dec 7
Growing season
293 days
Hardiness zone
9b

More local growing data for Blue Lake: nearby ZIP 95521 weather · frost dates · planting calendar · California frost dates

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Climate data from the nearest NOAA station, Eureka Wfo Woodley Island, Ca (6.4 mi from Blue Lake). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.