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.
Overnight
68°F
Patchy Fog
Patchy fog. Cloudy, with a low around 68. Southwest wind around 5 mph.
7-day forecast for San Diego
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 68°F | Patchy Fog | 5 mph SW | 0% |
| Tuesday | 80°F | Patchy Fog then Mostly Sunny | 0 to 10 mph SW | 0% |
| Tuesday Night | 68°F | Patchy Fog | 0 to 5 mph SW | 0% |
| Wednesday | 81°F | Patchy Fog then Mostly Sunny | 0 to 10 mph SW | 0% |
| Wednesday Night | 69°F | Patchy Fog | 0 to 5 mph W | 0% |
| Thursday | 82°F | Patchy Fog then Mostly Sunny | 0 to 10 mph W | 0% |
| Thursday Night | 69°F | Patchy Fog | 0 to 5 mph W | 0% |
| Friday | 86°F | Patchy Fog then Mostly Sunny | 0 to 10 mph W | 0% |
| Friday Night | 68°F | Partly Cloudy | 0 to 10 mph SW | 0% |
| Saturday | 83°F | Mostly Sunny | 0 to 10 mph SW | 0% |
| Saturday Night | 68°F | Partly Cloudy | 0 to 10 mph SW | 0% |
| Sunday | 82°F | Mostly Sunny | 0 to 10 mph SW | 1% |
| Sunday Night | 68°F | Partly Cloudy | 5 to 10 mph SW | 2% |
| Monday | 82°F | Mostly Sunny | 5 to 10 mph SW | 6% |
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
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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 Aug 4, 2026.