Winterhaven, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Winterhaven, a community in Yuma County, California.
Today
108°F
Sunny
Sunny. High near 108, with temperatures falling to around 106 in the afternoon. Heat index values as high as 116. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
7-day forecast for Winterhaven
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 108°F | Sunny | 10 to 15 mph SSE | 2% |
| Tonight | 85°F | Mostly Clear | 5 to 15 mph NE | 2% |
| Wednesday | 107°F | Sunny | 10 to 15 mph SE | 0% |
| Wednesday Night | 85°F | Mostly Clear | 5 to 10 mph SSE | 1% |
| Thursday | 110°F | Sunny | 5 to 10 mph SSE | 2% |
| Thursday Night | 88°F | Mostly Clear | 0 to 10 mph SSE | 2% |
| Friday | 112°F | Sunny | 0 to 10 mph S | 2% |
| Friday Night | 88°F | Mostly Clear | 5 to 10 mph S | 2% |
| Saturday | 112°F | Sunny | 5 to 10 mph S | 1% |
| Saturday Night | 88°F | Mostly Clear | 10 mph S | 2% |
| Sunday | 109°F | Sunny | 10 to 15 mph SSE | 3% |
| Sunday Night | 86°F | Mostly Clear | 10 mph SSE | 1% |
| Monday | 107°F | Sunny | 10 to 15 mph SSE | 2% |
| Monday Night | 84°F | Mostly Clear | 5 to 10 mph SSE | 1% |
Forecast source: National Weather Service (api.weather.gov) for Winterhaven (32.737, -114.638). Updated through the day.
Growing snapshot for Winterhaven
Last spring frost
Jan 8
First fall frost
Dec 28
Growing season
362 days
Hardiness zone
10a
More local growing data for Winterhaven: nearby ZIP 85364 weather · frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Yuma Quartermaster Depot, Az (2.6 mi from Winterhaven). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.