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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.

Overnight
57°F
Mostly Clear
Mostly clear, with a low around 57. West wind around 2 mph.

7-day forecast for Blue Lake

WhenTempForecastWindPrecip
Overnight 57°F Mostly Clear 2 mph W 0%
Tuesday 81°F Patchy Smoke 2 to 6 mph WNW 0%
Tuesday Night 63°F Patchy Fog 0 to 6 mph NW 0%
Wednesday 79°F Patchy Smoke then Sunny 0 to 8 mph WNW 0%
Wednesday Night 59°F Mostly Clear 0 to 5 mph NW 0%
Thursday 78°F Mostly Sunny 0 to 5 mph WNW 0%
Thursday Night 57°F Mostly Clear 0 to 5 mph NW 0%
Friday 78°F Mostly Sunny 0 to 5 mph NW 0%
Friday Night 58°F Mostly Clear 0 to 5 mph NW 0%
Saturday 77°F Mostly Sunny 0 to 5 mph NW 0%
Saturday Night 55°F Mostly Clear then Patchy Fog 0 to 5 mph NNW 1%
Sunday 73°F Sunny 0 to 6 mph NNW 0%
Sunday Night 54°F Mostly Clear then Patchy Fog 0 to 6 mph WNW 0%
Monday 73°F Patchy Fog then Mostly Sunny 0 to 6 mph NW 0%

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 Aug 4, 2026.