Gustine, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Gustine, a city in Merced County, California.
Tonight
58°F
Mostly Clear
Mostly clear, with a low around 58. West southwest wind 0 to 5 mph.
7-day forecast for Gustine
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 58°F | Mostly Clear | 0 to 5 mph WSW | 0% |
| Saturday | 92°F | Sunny | 0 to 5 mph NNE | 0% |
| Saturday Night | 60°F | Partly Cloudy | 0 mph | 0% |
| Sunday | 89°F | Partly Sunny | 0 to 5 mph WNW | 1% |
| Sunday Night | 59°F | Partly Cloudy | 0 to 5 mph WNW | 1% |
| Monday | 90°F | Sunny | 5 mph WNW | 0% |
| Monday Night | 58°F | Mostly Clear | 0 to 5 mph W | 0% |
| Tuesday | 92°F | Sunny | 0 to 5 mph NW | 0% |
| Tuesday Night | 61°F | Clear | 0 to 5 mph WNW | 0% |
| Wednesday | 96°F | Sunny | 0 to 5 mph NNW | 0% |
| Wednesday Night | 65°F | Mostly Clear | 0 to 5 mph NNW | 0% |
| Thursday | 99°F | Sunny | 0 mph | 0% |
| Thursday Night | 65°F | Mostly Clear | 0 mph | 0% |
| Friday | 95°F | Sunny | 0 to 5 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Gustine (37.253, -120.996). Updated through the day.
Growing snapshot for Gustine
Last spring frost
Feb 26
First fall frost
Nov 29
Growing season
273 days
Hardiness zone
9b
More local growing data for Gustine: nearby ZIP 95322 weather · frost dates · planting calendar · California frost dates
Nearby towns & communities
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Franklin
Hilmar-Irwin
Le Grand
Livingston
Los Banos
McSwain
Merced
Planada
Santa Nella
Snelling
South Dos Palos
Stevinson
Tuttle
University of California-Merced
Volta
Winton
Climate data from the nearest NOAA station, Newman, Ca (6.8 mi from Gustine). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.