Fortuna, CA Weather & Growing Conditions
Overnight
54°F
Partly Cloudy
Partly cloudy, with a low around 54. East wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 54°F | Partly Cloudy | 1 mph E | 0% |
| Tuesday | 81°F | Patchy Smoke | 1 to 10 mph NNW | 0% |
| Tuesday Night | 59°F | Areas Of Smoke | 0 to 9 mph NNW | 0% |
| Wednesday | 78°F | Patchy Smoke then Sunny | 0 to 13 mph NW | 0% |
| Wednesday Night | 58°F | Partly Cloudy | 0 to 8 mph NW | 0% |
| Thursday | 77°F | Mostly Sunny | 0 to 8 mph NW | 0% |
| Thursday Night | 56°F | Partly Cloudy | 1 to 8 mph N | 0% |
| Friday | 76°F | Mostly Sunny | 1 to 9 mph N | 0% |
| Friday Night | 56°F | Partly Cloudy | 1 to 9 mph N | 0% |
| Saturday | 75°F | Mostly Sunny | 1 to 12 mph NNW | 0% |
| Saturday Night | 54°F | Partly Cloudy | 3 to 12 mph NNW | 2% |
| Sunday | 70°F | Mostly Sunny | 3 to 13 mph NNW | 0% |
| Sunday Night | 54°F | Partly Cloudy | 3 to 13 mph NNW | 1% |
| Monday | 70°F | Mostly Sunny | 3 to 13 mph NNW | 1% |
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 Aug 4, 2026.