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
42°F
Partly Cloudy
Partly cloudy, with a low around 42. East southeast wind around 2 mph.
7-day forecast for Blue Lake
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 42°F | Partly Cloudy | 2 mph ESE | 1% |
| Wednesday | 62°F | Partly Sunny then Slight Chance Light Rain | 2 to 6 mph E | 18% |
| Wednesday Night | 44°F | Slight Chance Light Rain then Patchy Fog | 0 to 3 mph WNW | 18% |
| Thursday | 63°F | Patchy Fog | 1 to 7 mph SW | 4% |
| Thursday Night | 42°F | Areas Of Fog | 0 to 5 mph E | 0% |
| Friday | 64°F | Mostly Sunny | 0 to 3 mph W | 0% |
| Friday Night | 44°F | Mostly Clear | 2 mph ENE | 0% |
| Saturday | 66°F | Mostly Sunny | 0 to 3 mph S | 3% |
| Saturday Night | 47°F | Slight Chance Light Rain | 1 to 5 mph SSE | 22% |
| Sunday | 63°F | Slight Chance Light Rain | 0 to 3 mph N | 22% |
| Sunday Night | 46°F | Areas Of Fog | 2 mph E | 17% |
| Monday | 62°F | Areas Of Fog | 0 to 3 mph SW | 17% |
| Monday Night | 44°F | Slight Chance Light Rain | 3 mph SSE | 22% |
| Tuesday | 64°F | Chance Light Rain | 3 mph S | 31% |
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
Nearby towns & communities
Alderpoint
Arcata
Bayview
Benbow
Big Lagoon
Cutten
Eureka
Fairhaven
Ferndale
Fieldbrook
Fields Landing
Fortuna
Garberville
Hoopa
Humboldt Hill
Hydesville
Indianola
Kep'el
Loleta
Manila
McKinleyville
Miranda
Myers Flat
Myrtletown
Orick
Phillipsville
Pine Hills
Redcrest
Redway
Rio Dell
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 Nov 4, 2026.