San Joaquin, CA Weather & Growing Conditions
Today
69°F
Sunny
Sunny. High near 69, with temperatures falling to around 65 in the afternoon. North northwest wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 69°F | Sunny | 5 to 10 mph NNW | 1% |
| Tonight | 45°F | Mostly Cloudy | 0 to 5 mph NW | 1% |
| Thursday | 70°F | Mostly Sunny | 5 mph NNW | 0% |
| Thursday Night | 43°F | Mostly Clear | 0 to 5 mph NW | 0% |
| Friday | 73°F | Sunny | 0 to 5 mph NNW | 0% |
| Friday Night | 45°F | Mostly Clear | 0 to 5 mph NNW | 0% |
| Saturday | 77°F | Sunny | 0 to 5 mph NE | 0% |
| Saturday Night | 47°F | Mostly Clear | 0 to 5 mph N | 0% |
| Sunday | 76°F | Sunny | 0 to 5 mph NNW | 0% |
| Sunday Night | 48°F | Partly Cloudy | 0 to 5 mph NW | 0% |
| Monday | 77°F | Mostly Sunny | 0 to 5 mph NNW | 0% |
| Monday Night | 48°F | Partly Cloudy | 0 to 5 mph NW | 1% |
| Tuesday | 75°F | Sunny | 0 to 5 mph NNW | 1% |
| Tuesday Night | 48°F | Mostly Clear | 0 to 5 mph NNE | 6% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for San Joaquin, CA
Last spring frost
Feb 27
First fall frost
Nov 26
Growing season
271 days
Hardiness zone
9a
Explore more for San Joaquin, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Five Points 5 Ssw, Ca (16.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.