Blythe, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Blythe, a city in Riverside County, California.
Overnight
85°F
Mostly Clear
Mostly clear. Low around 85, with temperatures rising to around 88 overnight. West southwest wind 5 to 10 mph, with gusts as high as 20 mph.
7-day forecast for Blythe
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 85°F | Mostly Clear | 5 to 10 mph WSW | 0% |
| Tuesday | 112°F | Sunny | 5 to 15 mph S | 1% |
| Tuesday Night | 85°F | Mostly Clear | 5 to 15 mph SW | 2% |
| Wednesday | 111°F | Sunny | 5 to 15 mph SSW | 1% |
| Wednesday Night | 85°F | Mostly Clear | 5 to 15 mph S | 1% |
| Thursday | 112°F | Sunny | 5 to 15 mph S | 5% |
| Thursday Night | 87°F | Mostly Clear | 5 to 10 mph S | 5% |
| Friday | 114°F | Sunny | 5 to 10 mph S | 3% |
| Friday Night | 89°F | Mostly Clear | 10 to 15 mph S | 3% |
| Saturday | 114°F | Sunny | 10 to 15 mph S | 4% |
| Saturday Night | 88°F | Mostly Clear | 10 to 15 mph S | 2% |
| Sunday | 112°F | Sunny | 10 to 15 mph S | 7% |
| Sunday Night | 85°F | Partly Cloudy | 10 to 15 mph S | 7% |
| Monday | 110°F | Sunny | 10 to 20 mph S | 5% |
Forecast source: National Weather Service (api.weather.gov) for Blythe (33.654, -114.622). Updated through the day.
Growing snapshot for Blythe
Last spring frost
Jan 5
First fall frost
Dec 21
Growing season
347 days
Hardiness zone
9b
More local growing data for Blythe: nearby ZIP 92225 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, Blythe Ap, Ca (7.5 mi from Blythe). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.