Lucerne, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lucerne, a community in Lake County, California.
Today
55°F
Light Rain
Rain. Cloudy, with a high near 55. East wind 10 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Lucerne
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 55°F | Light Rain | 10 to 14 mph E | 96% |
| Tonight | 44°F | Chance Light Rain then Patchy Fog | 3 to 14 mph E | 42% |
| Wednesday | 63°F | Patchy Fog | 2 to 8 mph NNW | 0% |
| Wednesday Night | 45°F | Partly Cloudy | 2 to 8 mph NW | 0% |
| Thursday | 67°F | Sunny | 2 mph NW | 0% |
| Thursday Night | 47°F | Mostly Clear | 2 mph NW | 0% |
| Friday | 70°F | Sunny | 2 mph NNW | 0% |
| Friday Night | 50°F | Mostly Clear | 1 mph N | 0% |
| Saturday | 72°F | Sunny | 2 mph NE | 0% |
| Saturday Night | 49°F | Partly Cloudy | 1 mph N | 0% |
| Sunday | 69°F | Mostly Sunny | 2 mph WNW | 0% |
| Sunday Night | 49°F | Partly Cloudy | 1 mph NNW | 1% |
| Monday | 66°F | Patchy Fog then Partly Sunny | 2 mph WNW | 2% |
| Monday Night | 47°F | Partly Cloudy then Patchy Fog | 1 mph NW | 6% |
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 Nov 3, 2026.