National City, CA Weather & Growing Conditions
Today
75°F
Mostly Sunny
Mostly sunny, with a high near 75. Southwest wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 75°F | Mostly Sunny | 5 to 10 mph SW | 1% |
| Tonight | 68°F | Mostly Cloudy | 0 to 10 mph W | 1% |
| Wednesday | 75°F | Partly Sunny | 0 to 10 mph SW | 1% |
| Wednesday Night | 69°F | Mostly Cloudy | 0 to 5 mph W | 0% |
| Thursday | 77°F | Mostly Sunny | 0 to 10 mph W | 0% |
| Thursday Night | 70°F | Mostly Cloudy | 0 to 5 mph W | 0% |
| Friday | 78°F | Mostly Sunny | 0 to 10 mph W | 0% |
| Friday Night | 69°F | Partly Cloudy | 0 to 10 mph W | 0% |
| Saturday | 79°F | Mostly Sunny | 0 to 10 mph W | 0% |
| Saturday Night | 70°F | Partly Cloudy | 0 to 10 mph SW | 0% |
| Sunday | 78°F | Mostly Sunny | 0 to 10 mph SW | 1% |
| Sunday Night | 69°F | Partly Cloudy | 0 to 10 mph SW | 2% |
| Monday | 77°F | Mostly Sunny | 0 to 10 mph SW | 6% |
| Monday Night | 69°F | Partly Cloudy | 0 to 10 mph SW | 3% |
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 Aug 4, 2026.