Lucerne Valley, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lucerne Valley, a community in San Bernardino County, California.
Today
104°F
Sunny
Sunny, with a high near 104. Northwest wind 0 to 15 mph, with gusts as high as 25 mph.
7-day forecast for Lucerne Valley
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 104°F | Sunny | 0 to 15 mph NW | 1% |
| Tonight | 77°F | Mostly Clear | 5 to 15 mph NW | 0% |
| Wednesday | 104°F | Sunny | 0 to 15 mph NE | 1% |
| Wednesday Night | 78°F | Mostly Clear | 0 to 15 mph W | 1% |
| Thursday | 103°F | Sunny | 0 to 5 mph W | 4% |
| Thursday Night | 78°F | Mostly Clear | 0 to 5 mph SW | 4% |
| Friday | 104°F | Sunny | 0 to 5 mph W | 6% |
| Friday Night | 78°F | Mostly Clear | 5 to 10 mph SW | 6% |
| Saturday | 104°F | Sunny | 0 to 10 mph W | 12% |
| Saturday Night | 78°F | Mostly Clear | 5 to 10 mph SW | 4% |
| Sunday | 103°F | Sunny | 5 to 10 mph SW | 13% |
| Sunday Night | 76°F | Mostly Clear | 5 to 10 mph SW | 6% |
| Monday | 99°F | Slight Chance Showers And Thunderstorms | 0 to 15 mph SW | 16% |
| Monday Night | 73°F | Mostly Clear | 5 to 15 mph SW | 6% |
Forecast source: National Weather Service (api.weather.gov) for Lucerne Valley (34.443, -116.902). Updated through the day.
Growing snapshot for Lucerne Valley
Last spring frost
May 27
First fall frost
Oct 4
Growing season
131 days
Hardiness zone
8b
More local growing data for Lucerne Valley: nearby ZIP 92356 weather · frost dates · planting calendar · California frost dates
Nearby towns & communities
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Chino Hills
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Fontana
Fort Irwin
Grand Terrace
Hesperia
Highland
Homestead Valley
Homewood Canyon
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Climate data from the nearest NOAA station, Big Bear Lake, Ca (17.5 mi from Lucerne Valley). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.