Morongo Valley, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Morongo Valley, a community in San Bernardino County, California.
Overnight
80°F
Mostly Clear
Mostly clear. Low around 80, with temperatures rising to around 82 overnight. Northwest wind around 6 mph.
7-day forecast for Morongo Valley
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 80°F | Mostly Clear | 6 mph NW | 0% |
| Tuesday | 102°F | Sunny | 3 to 15 mph SSW | 1% |
| Tuesday Night | 81°F | Clear | 2 to 13 mph NNW | 1% |
| Wednesday | 100°F | Sunny | 2 to 12 mph SSW | 0% |
| Wednesday Night | 81°F | Mostly Clear | 1 to 10 mph WSW | 0% |
| Thursday | 100°F | Sunny | 1 to 10 mph SSW | 2% |
| Thursday Night | 82°F | Mostly Clear | 3 to 9 mph WSW | 2% |
| Friday | 101°F | Sunny | 3 to 10 mph SSW | 6% |
| Friday Night | 83°F | Mostly Clear | 3 to 9 mph WSW | 2% |
| Saturday | 102°F | Sunny | 3 to 10 mph SSW | 7% |
| Saturday Night | 83°F | Mostly Clear | 2 to 9 mph WSW | 4% |
| Sunday | 99°F | Sunny | 2 to 14 mph SSW | 8% |
| Sunday Night | 80°F | Mostly Clear | 3 to 13 mph SW | 4% |
| Monday | 97°F | Slight Chance Showers And Thunderstorms | 3 to 15 mph SSW | 13% |
Forecast source: National Weather Service (api.weather.gov) for Morongo Valley (34.072, -116.563). Updated through the day.
Growing snapshot for Morongo Valley
Last spring frost
Feb 25
First fall frost
Dec 15
Growing season
297 days
Hardiness zone
9b
More local growing data for Morongo Valley: nearby ZIP 92256 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, Morongo Valley N, Ca (3.3 mi from Morongo Valley). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.