Gustine, CA Weather & Growing Conditions
This Afternoon
68°F
Chance Light Rain
A chance of rain before 4pm. Mostly sunny. High near 68, with temperatures falling to around 62 in the afternoon. West southwest wind 0 to 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Chance Light Rain | 0 to 5 mph WSW | 31% |
| Tonight | 49°F | Partly Cloudy | 0 to 5 mph W | 8% |
| Wednesday | 69°F | Sunny | 5 to 10 mph NNW | 0% |
| Wednesday Night | 49°F | Mostly Cloudy | 0 to 5 mph WNW | 0% |
| Thursday | 72°F | Sunny | 0 to 10 mph NW | 0% |
| Thursday Night | 49°F | Clear | 0 to 5 mph N | 0% |
| Friday | 73°F | Sunny | 0 to 5 mph NNE | 0% |
| Friday Night | 50°F | Mostly Clear | 0 mph | 0% |
| Saturday | 75°F | Sunny | 0 to 5 mph ENE | 0% |
| Saturday Night | 51°F | Mostly Clear | 0 mph | 0% |
| Sunday | 75°F | Sunny | 0 to 5 mph NNE | 0% |
| Sunday Night | 53°F | Partly Cloudy | 0 mph | 0% |
| Monday | 74°F | Mostly Sunny | 0 to 5 mph N | 1% |
| Monday Night | 52°F | Partly Cloudy | 0 to 5 mph NNW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Gustine, CA
Last spring frost
Feb 26
First fall frost
Nov 29
Growing season
273 days
Hardiness zone
9b
Explore more for Gustine, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Newman, Ca (6.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.