Merced, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Merced, a city in Merced County, California.
Overnight
68°F
Clear
Clear. Low around 68, with temperatures rising to around 70 overnight. Northwest wind around 5 mph.
7-day forecast for Merced
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 68°F | Clear | 5 mph NW | 0% |
| Tuesday | 104°F | Sunny | 5 mph NW | 0% |
| Tuesday Night | 69°F | Clear | 5 to 10 mph WNW | 0% |
| Wednesday | 103°F | Sunny | 5 to 10 mph NW | 0% |
| Wednesday Night | 69°F | Clear | 5 to 10 mph NW | 0% |
| Thursday | 103°F | Sunny | 5 to 10 mph NW | 0% |
| Thursday Night | 70°F | Clear | 5 to 10 mph NW | 0% |
| Friday | 103°F | Sunny | 5 to 10 mph NW | 0% |
| Friday Night | 71°F | Clear | 5 to 10 mph NW | 0% |
| Saturday | 104°F | Sunny | 5 to 10 mph NW | 0% |
| Saturday Night | 70°F | Mostly Clear | 5 to 10 mph NW | 0% |
| Sunday | 103°F | Sunny | 5 to 10 mph WNW | 0% |
| Sunday Night | 67°F | Mostly Clear | 5 to 10 mph WNW | 0% |
| Monday | 99°F | Sunny | 5 to 10 mph WNW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Merced (37.306, -120.478). Updated through the day.
Growing snapshot for Merced
Last spring frost
Feb 26
First fall frost
Nov 25
Growing season
273 days
Hardiness zone
9a
More local growing data for Merced: nearby ZIP 95341 weather · frost dates · planting calendar · California frost dates
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University of California-Merced
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Climate data from the nearest NOAA station, Merced Muni Ap, Ca (3.8 mi from Merced). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.