National City, CA Weather & Growing Conditions
Tonight
64°F
Partly Cloudy
Partly cloudy, with a low around 64. North wind 0 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 64°F | Partly Cloudy | 0 to 10 mph N | 2% |
| Saturday | 73°F | Mostly Sunny | 0 to 10 mph N | 0% |
| Saturday Night | 65°F | Mostly Cloudy | 0 to 5 mph NE | 0% |
| Sunday | 72°F | Partly Sunny | 0 to 10 mph NW | 0% |
| Sunday Night | 67°F | Mostly Cloudy | 0 to 5 mph W | 2% |
| Monday | 72°F | Mostly Sunny | 0 to 10 mph SW | 2% |
| Monday Night | 66°F | Partly Cloudy | 5 to 10 mph NW | 1% |
| Tuesday | 72°F | Mostly Sunny | 5 to 10 mph NW | 0% |
| Tuesday Night | 67°F | Partly Cloudy | 0 to 10 mph NW | 0% |
| Wednesday | 77°F | Mostly Sunny | 0 to 10 mph NW | 1% |
| Wednesday Night | 68°F | Partly Cloudy | 0 to 10 mph NW | 3% |
| Thursday | 78°F | Mostly Sunny | 0 to 10 mph W | 2% |
| Thursday Night | 70°F | Partly Cloudy | 5 mph NW | 1% |
| Friday | 81°F | Mostly Sunny | 5 to 10 mph NW | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for National City, CA
Growing season
365 days
Hardiness zone
10b
Explore more for National City, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Chula Vista, Ca (2.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.