Lucerne, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lucerne, a community in Lake County, California.
Tonight
57°F
Clear
Clear. Low around 57, with temperatures rising to around 62 overnight. West northwest wind 2 to 10 mph.
7-day forecast for Lucerne
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 57°F | Clear | 2 to 10 mph WNW | 0% |
| Saturday | 83°F | Sunny | 0 to 8 mph NW | 0% |
| Saturday Night | 59°F | Partly Cloudy | 2 to 8 mph NW | 0% |
| Sunday | 81°F | Partly Sunny | 5 mph ESE | 0% |
| Sunday Night | 59°F | Partly Cloudy | 1 to 5 mph WNW | 0% |
| Monday | 83°F | Sunny | 0 to 7 mph W | 0% |
| Monday Night | 60°F | Mostly Clear | 1 to 7 mph WNW | 0% |
| Tuesday | 85°F | Sunny | 1 to 7 mph W | 0% |
| Tuesday Night | 60°F | Mostly Clear | 1 to 7 mph NW | 0% |
| Wednesday | 87°F | Sunny | 3 mph SSE | 0% |
| Wednesday Night | 62°F | Mostly Clear | 0 to 3 mph NW | 0% |
| Thursday | 86°F | Sunny | 0 to 7 mph SSE | 0% |
| Thursday Night | 60°F | Partly Cloudy | 1 to 7 mph W | 0% |
| Friday | 81°F | Sunny | 1 to 7 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov) for Lucerne (39.057, -122.770). Updated through the day.
Growing snapshot for Lucerne
Last spring frost
Apr 10
First fall frost
Nov 6
Growing season
209 days
Hardiness zone
9b
More local growing data for Lucerne: nearby ZIP 95443 weather · frost dates · planting calendar · California frost dates
Nearby towns & communities
Clearlake
Clearlake Oaks
Clearlake Riviera
Cobb
Hidden Valley Lake
Kelseyville
Lakeport
Lower Lake
Middletown
Nice
North Lakeport
Soda Bay
Spring Valley
Upper Lake
Climate data from the nearest NOAA station, Clearlake 4 Se, Ca (12.7 mi from Lucerne). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.