Big Lagoon, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Big Lagoon, a community in Humboldt County, California.
Today
58°F
Partly Sunny
Partly sunny, with a high near 58. North wind 1 to 7 mph.
7-day forecast for Big Lagoon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 58°F | Partly Sunny | 1 to 7 mph N | 9% |
| Tonight | 44°F | Partly Cloudy | 3 to 8 mph SE | 4% |
| Wednesday | 57°F | Partly Sunny then Chance Light Rain | 2 to 7 mph W | 36% |
| Wednesday Night | 46°F | Chance Light Rain then Patchy Fog | 3 mph NE | 36% |
| Thursday | 57°F | Patchy Fog | 2 to 6 mph N | 2% |
| Thursday Night | 43°F | Patchy Fog | 6 mph NE | 3% |
| Friday | 58°F | Patchy Fog then Partly Sunny | 1 to 5 mph NNE | 3% |
| Friday Night | 45°F | Partly Cloudy | 5 mph NE | 1% |
| Saturday | 59°F | Partly Sunny | 2 to 6 mph SSE | 12% |
| Saturday Night | 48°F | Chance Light Rain | 2 to 8 mph S | 39% |
| Sunday | 58°F | Chance Light Rain | 1 to 7 mph S | 39% |
| Sunday Night | 47°F | Cloudy | 5 mph E | 10% |
| Monday | 57°F | Chance Light Rain | 5 mph S | 26% |
| Monday Night | 46°F | Chance Light Rain | 3 to 9 mph SSE | 28% |
Forecast source: National Weather Service (api.weather.gov) for Big Lagoon (41.159, -124.130). Updated through the day.
Growing snapshot for Big Lagoon
Last spring frost
Mar 8
First fall frost
Nov 30
Growing season
262 days
Hardiness zone
9b
More local growing data for Big Lagoon: nearby ZIP 95570 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, Arcata Eureka Ap, Ca (9.5 mi from Big Lagoon). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.