Lucerne, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lucerne, a community in Lake County, California.
Today
94°F
Sunny
Sunny, with a high near 94. West southwest wind 1 to 10 mph.
7-day forecast for Lucerne
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 94°F | Sunny | 1 to 10 mph WSW | 0% |
| Tonight | 66°F | Mostly Clear | 1 to 10 mph WNW | 0% |
| Wednesday | 92°F | Sunny | 1 to 12 mph S | 0% |
| Wednesday Night | 64°F | Clear | 2 to 8 mph WNW | 0% |
| Thursday | 92°F | Sunny | 1 to 7 mph SSE | 0% |
| Thursday Night | 65°F | Mostly Clear | 2 to 7 mph WNW | 0% |
| Friday | 94°F | Sunny | 1 to 8 mph SSW | 0% |
| Friday Night | 67°F | Clear | 1 to 8 mph WNW | 0% |
| Saturday | 94°F | Sunny | 1 to 9 mph W | 0% |
| Saturday Night | 66°F | Mostly Clear | 3 to 9 mph WNW | 0% |
| Sunday | 90°F | Sunny | 2 to 9 mph NW | 0% |
| Sunday Night | 61°F | Mostly Clear | 2 to 9 mph WNW | 0% |
| Monday | 87°F | Sunny | 2 to 8 mph SE | 0% |
| Monday Night | 59°F | Mostly Clear | 1 to 8 mph WNW | 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
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Clearlake Riviera
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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 Aug 4, 2026.