Potrero, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Potrero, a community in San Diego County, California.
This Afternoon
83°F
Sunny
Sunny, with a high near 83. West wind around 10 mph, with gusts as high as 20 mph.
7-day forecast for Potrero
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 83°F | Sunny | 10 mph W | 1% |
| Tonight | 54°F | Mostly Clear | 0 to 10 mph N | 1% |
| Saturday | 85°F | Sunny | 0 to 10 mph NW | 0% |
| Saturday Night | 57°F | Mostly Clear | 0 to 5 mph N | 0% |
| Sunday | 83°F | Mostly Sunny | 0 to 10 mph S | 0% |
| Sunday Night | 56°F | Mostly Cloudy | 0 to 5 mph W | 1% |
| Monday | 79°F | Sunny | 0 to 10 mph SW | 1% |
| Monday Night | 54°F | Mostly Clear | 0 to 10 mph NW | 0% |
| Tuesday | 83°F | Sunny | 0 to 10 mph NW | 0% |
| Tuesday Night | 57°F | Clear | 0 to 10 mph N | 0% |
| Wednesday | 91°F | Sunny | 0 to 5 mph N | 4% |
| Wednesday Night | 63°F | Mostly Clear | 0 to 5 mph N | 2% |
| Thursday | 92°F | Sunny | 0 to 10 mph S | 6% |
| Thursday Night | 66°F | Mostly Clear | 0 to 5 mph N | 2% |
Forecast source: National Weather Service (api.weather.gov) for Potrero (32.613, -116.607). Updated through the day.
Growing snapshot for Potrero
Last spring frost
Apr 30
First fall frost
Oct 26
Growing season
174 days
Hardiness zone
9a
More local growing data for Potrero: nearby ZIP 91963 weather · frost dates · planting calendar · California frost dates
Nearby towns & communities
Alpine
Bonita
Bonsall
Borrego Springs
Bostonia
Boulevard
Camp Pendleton Mainside
Camp Pendleton South
Campo
Carlsbad
Casa de Oro-Mount Helix
Chula Vista
Coronado
Crest
Del Dios
Del Mar
Descanso
El Cajon
Elfin Forest
Encinitas
Escondido
Eucalyptus Hills
Fairbanks Ranch
Fallbrook
Granite Hills
Harbison Canyon
Harmony Grove
Hidden Meadows
Imperial Beach
Jacumba
Climate data from the nearest NOAA station, Campo, Ca (7.5 mi from Potrero). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.