San Joaquin, CA Weather & Growing Conditions
Today
104°F
Sunny
Sunny, with a high near 104. Northwest wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 104°F | Sunny | 5 mph NW | 0% |
| Tonight | 65°F | Clear | 5 mph NW | 0% |
| Wednesday | 103°F | Sunny | 5 mph NW | 0% |
| Wednesday Night | 65°F | Clear | 5 mph NW | 0% |
| Thursday | 103°F | Sunny | 5 mph NW | 0% |
| Thursday Night | 66°F | Clear | 5 to 10 mph NW | 0% |
| Friday | 103°F | Sunny | 5 to 10 mph NW | 0% |
| Friday Night | 67°F | Clear | 5 to 10 mph NW | 0% |
| Saturday | 104°F | Sunny | 5 to 10 mph NW | 0% |
| Saturday Night | 67°F | Mostly Clear | 5 to 10 mph NW | 0% |
| Sunday | 103°F | Sunny | 5 to 10 mph NW | 0% |
| Sunday Night | 64°F | Mostly Clear | 5 to 10 mph NW | 0% |
| Monday | 100°F | Sunny | 5 mph NNW | 0% |
| Monday Night | 60°F | Mostly Clear | 5 mph NW | 1% |
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 Aug 4, 2026.