Antioch, CA Weather & Growing Conditions
Tonight
61°F
Clear
Clear, with a low around 61. West southwest wind 2 to 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 61°F | Clear | 2 to 7 mph WSW | 0% |
| Saturday | 89°F | Sunny | 2 to 9 mph W | 0% |
| Saturday Night | 62°F | Mostly Cloudy | 2 to 8 mph WSW | 0% |
| Sunday | 82°F | Partly Sunny | 3 to 10 mph WSW | 0% |
| Sunday Night | 61°F | Mostly Cloudy | 6 to 10 mph WSW | 0% |
| Monday | 84°F | Sunny | 6 to 10 mph WSW | 0% |
| Monday Night | 61°F | Mostly Clear | 3 to 10 mph WSW | 0% |
| Tuesday | 88°F | Sunny | 3 to 9 mph W | 0% |
| Tuesday Night | 62°F | Mostly Clear | 0 to 9 mph SW | 0% |
| Wednesday | 96°F | Sunny | 0 to 5 mph WNW | 0% |
| Wednesday Night | 67°F | Mostly Clear | 0 to 5 mph WSW | 0% |
| Thursday | 96°F | Sunny | 0 to 9 mph W | 0% |
| Thursday Night | 68°F | Mostly Clear | 3 to 9 mph WSW | 0% |
| Friday | 90°F | Sunny | 3 to 10 mph WSW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Antioch, CA
Last spring frost
Jan 12
First fall frost
Dec 19
Growing season
343 days
Hardiness zone
9b
Explore more for Antioch, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Antioch Pumping Plt #3, Ca (3.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.