Lower Lake, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lower Lake, a community in Lake County, California.
Overnight
55°F
Mostly Clear
Mostly clear, with a low around 55. West northwest wind around 1 mph.
7-day forecast for Lower Lake
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 55°F | Mostly Clear | 1 mph WNW | 0% |
| Saturday | 92°F | Sunny | 1 to 5 mph NW | 0% |
| Saturday Night | 56°F | Partly Cloudy | 0 to 5 mph W | 0% |
| Sunday | 88°F | Mostly Cloudy | 0 to 5 mph SSE | 0% |
| Sunday Night | 56°F | Mostly Cloudy | 0 to 3 mph S | 0% |
| Monday | 91°F | Sunny | 0 to 7 mph S | 0% |
| Monday Night | 55°F | Mostly Clear | 0 to 7 mph SW | 0% |
| Tuesday | 92°F | Sunny | 0 to 7 mph S | 0% |
| Tuesday Night | 56°F | Clear | 0 to 7 mph NW | 0% |
| Wednesday | 95°F | Sunny | 0 to 3 mph SE | 0% |
| Wednesday Night | 58°F | Mostly Clear | 0 to 3 mph WNW | 0% |
| Thursday | 94°F | Sunny | 0 to 7 mph S | 0% |
| Thursday Night | 57°F | Mostly Clear | 0 to 7 mph W | 1% |
| Friday | 89°F | Mostly Sunny | 0 to 7 mph WSW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Lower Lake (38.913, -122.607). Updated through the day.
Growing snapshot for Lower Lake
Last spring frost
Apr 10
First fall frost
Nov 6
Growing season
209 days
Hardiness zone
9a
More local growing data for Lower Lake: nearby ZIP 95457 weather · frost dates · planting calendar · California frost dates
Nearby towns & communities
Clearlake
Clearlake Oaks
Clearlake Riviera
Cobb
Hidden Valley Lake
Kelseyville
Lakeport
Lucerne
Middletown
Nice
North Lakeport
Soda Bay
Spring Valley
Upper Lake
Climate data from the nearest NOAA station, Clearlake 4 Se, Ca (1 mi from Lower Lake). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.