San Diego, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for San Diego, a city in San Diego County, California.
Tonight
59°F
Mostly Cloudy
Mostly cloudy, with a low around 59. North wind 5 to 10 mph.
7-day forecast for San Diego
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 59°F | Mostly Cloudy | 5 to 10 mph N | 13% |
| Wednesday | 74°F | Mostly Sunny | 0 to 10 mph W | 4% |
| Wednesday Night | 57°F | Mostly Clear | 5 mph NE | 0% |
| Thursday | 78°F | Sunny | 0 to 10 mph SW | 0% |
| Thursday Night | 58°F | Mostly Clear | 5 mph N | 0% |
| Friday | 82°F | Sunny | 0 to 10 mph N | 0% |
| Friday Night | 60°F | Mostly Clear | 5 to 10 mph NE | 0% |
| Saturday | 87°F | Sunny | 0 to 10 mph N | 0% |
| Saturday Night | 63°F | Mostly Clear | 5 to 10 mph NE | 0% |
| Sunday | 88°F | Mostly Sunny | 0 to 10 mph N | 0% |
| Sunday Night | 64°F | Partly Cloudy | 5 to 10 mph NE | 0% |
| Monday | 85°F | Mostly Sunny | 0 to 5 mph SW | 0% |
| Monday Night | 63°F | Partly Cloudy | 0 to 5 mph NE | 0% |
| Tuesday | 82°F | Mostly Sunny | 0 to 5 mph NW | 2% |
Forecast source: National Weather Service (api.weather.gov) for San Diego (32.815, -117.136). Updated through the day.
Growing snapshot for San Diego
Growing season
365 days
Hardiness zone
10b
More local growing data for San Diego: nearby ZIP 92123 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, San Diego Montgomery Fld, Ca (0.5 mi from San Diego). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.