Fortuna, CA Weather & Growing Conditions
Overnight
43°F
Partly Cloudy
Partly cloudy, with a low around 43. East southeast wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 43°F | Partly Cloudy | 6 mph ESE | 0% |
| Wednesday | 62°F | Patchy Fog then Partly Sunny | 3 to 9 mph WNW | 4% |
| Wednesday Night | 45°F | Patchy Fog | 2 to 6 mph WNW | 4% |
| Thursday | 62°F | Patchy Fog then Mostly Sunny | 3 to 10 mph NW | 1% |
| Thursday Night | 43°F | Patchy Fog | 1 to 9 mph NE | 0% |
| Friday | 62°F | Patchy Fog then Mostly Sunny | 1 to 8 mph N | 0% |
| Friday Night | 44°F | Partly Cloudy | 1 to 7 mph ENE | 0% |
| Saturday | 65°F | Mostly Sunny | 1 to 5 mph S | 0% |
| Saturday Night | 47°F | Patchy Fog | 1 to 5 mph SSE | 15% |
| Sunday | 62°F | Patchy Fog then Mostly Cloudy | 1 to 6 mph NNE | 15% |
| Sunday Night | 46°F | Areas Of Fog | 0 to 6 mph ENE | 1% |
| Monday | 62°F | Patchy Fog then Mostly Cloudy | 1 to 6 mph S | 4% |
| Monday Night | 45°F | Slight Chance Light Rain | 2 to 6 mph E | 15% |
| Tuesday | 63°F | Slight Chance Light Rain | 2 to 7 mph SSE | 23% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Fortuna, CA
Last spring frost
Feb 1
First fall frost
Dec 19
Growing season
328 days
Hardiness zone
9b
Explore more for Fortuna, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Scotia, Ca (5.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.