Lathrop, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lathrop, a city in San Joaquin County, California.
Overnight
63°F
Clear
Clear. Low around 63, with temperatures rising to around 65 overnight. North wind around 3 mph.
7-day forecast for Lathrop
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 63°F | Clear | 3 mph N | 0% |
| Tuesday | 101°F | Sunny | 5 to 9 mph NW | 0% |
| Tuesday Night | 61°F | Clear | 3 to 9 mph NW | 0% |
| Wednesday | 99°F | Sunny | 5 to 8 mph NNW | 0% |
| Wednesday Night | 61°F | Clear | 3 to 8 mph NW | 0% |
| Thursday | 99°F | Sunny | 3 to 9 mph NW | 0% |
| Thursday Night | 63°F | Clear | 5 to 9 mph NW | 0% |
| Friday | 100°F | Sunny | 5 to 10 mph NW | 0% |
| Friday Night | 65°F | Clear | 5 to 10 mph WNW | 0% |
| Saturday | 102°F | Sunny | 5 to 9 mph NW | 0% |
| Saturday Night | 66°F | Clear | 5 to 9 mph WNW | 0% |
| Sunday | 98°F | Sunny | 5 to 13 mph WNW | 0% |
| Sunday Night | 61°F | Clear | 6 to 13 mph WNW | 0% |
| Monday | 94°F | Sunny | 6 to 10 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Lathrop (37.809, -121.318). Updated through the day.
Growing snapshot for Lathrop
Last spring frost
Feb 6
First fall frost
Dec 1
Growing season
304 days
Hardiness zone
9b
More local growing data for Lathrop: nearby ZIP 95330 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, Stockton Metro Ap, Ca (7.2 mi from Lathrop). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.