Potrero, CA Weather & Growing Conditions
Today
93°F
Sunny
Sunny, with a high near 93. West wind 0 to 10 mph, with gusts as high as 20 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 93°F | Sunny | 0 to 10 mph W | 1% |
| Tonight | 64°F | Mostly Clear | 0 to 10 mph W | 1% |
| Wednesday | 93°F | Sunny | 0 to 10 mph W | 4% |
| Wednesday Night | 66°F | Mostly Clear | 0 to 10 mph NE | 2% |
| Thursday | 94°F | Sunny | 0 to 10 mph SW | 4% |
| Thursday Night | 67°F | Mostly Clear | 0 to 5 mph SE | 3% |
| Friday | 95°F | Sunny | 0 to 10 mph W | 1% |
| Friday Night | 67°F | Mostly Clear | 0 to 10 mph W | 0% |
| Saturday | 97°F | Sunny | 0 to 10 mph W | 3% |
| Saturday Night | 68°F | Mostly Clear | 0 to 10 mph NW | 1% |
| Sunday | 96°F | Slight Chance Showers And Thunderstorms | 0 to 10 mph W | 15% |
| Sunday Night | 67°F | Mostly Clear | 0 to 10 mph N | 5% |
| Monday | 93°F | Sunny | 0 to 10 mph SW | 9% |
| Monday Night | 65°F | Mostly Clear | 0 to 10 mph N | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Potrero, CA
Last spring frost
Apr 30
First fall frost
Oct 26
Growing season
174 days
Hardiness zone
9b
Explore more for Potrero, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Campo, Ca (9.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.