Fallbrook, CA Weather & Growing Conditions
This Afternoon
74°F
Mostly Sunny
Mostly sunny, with a high near 74. Southwest wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 74°F | Mostly Sunny | 5 mph SW | 0% |
| Tonight | 55°F | Mostly Clear then Patchy Fog | 0 to 5 mph SE | 0% |
| Wednesday | 74°F | Patchy Fog then Sunny | 0 to 5 mph S | 0% |
| Wednesday Night | 56°F | Mostly Clear | 0 to 5 mph NE | 0% |
| Thursday | 79°F | Sunny | 0 to 5 mph NW | 0% |
| Thursday Night | 57°F | Mostly Clear | 0 to 5 mph E | 0% |
| Friday | 83°F | Sunny | 5 to 10 mph N | 0% |
| Friday Night | 58°F | Clear | 5 to 15 mph N | 0% |
| Saturday | 86°F | Sunny | 5 to 10 mph N | 0% |
| Saturday Night | 61°F | Mostly Clear | 5 to 15 mph N | 0% |
| Sunday | 87°F | Sunny | 0 to 10 mph N | 0% |
| Sunday Night | 63°F | Partly Cloudy | 5 to 10 mph NE | 0% |
| Monday | 84°F | Mostly Sunny | 0 to 5 mph SW | 0% |
| Monday Night | 61°F | Partly Cloudy | 5 mph NE | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Fallbrook, CA
Last spring frost
Feb 2
First fall frost
Jan 30
Growing season
365 days
Hardiness zone
10a
Explore more for Fallbrook, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Fallbrook 5 Ne, Ca (4.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.