Carnelian Bay, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Carnelian Bay, a community in Placer County, California.
Tonight
47°F
Mostly Clear
Mostly clear, with a low around 47. East wind around 0 mph.
7-day forecast for Carnelian Bay
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 47°F | Mostly Clear | 0 mph | 0% |
| Sunday | 73°F | Partly Sunny | 0 mph | 0% |
| Sunday Night | 50°F | Patchy Smoke then Mostly Cloudy | 0 mph | 0% |
| Monday | 73°F | Mostly Sunny | 0 mph | 10% |
| Monday Night | 50°F | Partly Cloudy | 0 mph | 10% |
| Tuesday | 74°F | Sunny | 0 mph | 2% |
| Tuesday Night | 50°F | Mostly Clear | 0 mph | 0% |
| Wednesday | 76°F | Sunny | 0 mph | 0% |
| Wednesday Night | 51°F | Mostly Clear | 0 mph | 0% |
| Thursday | 74°F | Sunny | 0 to 5 mph SW | 0% |
| Thursday Night | 51°F | Mostly Clear | 0 to 5 mph SW | 0% |
| Friday | 70°F | Mostly Sunny | 5 mph SW | 1% |
| Friday Night | 48°F | Partly Cloudy | 0 to 5 mph SW | 1% |
| Saturday | 67°F | Mostly Sunny | 5 mph SW | 3% |
Forecast source: National Weather Service (api.weather.gov) for Carnelian Bay (39.235, -120.078). Updated through the day.
Growing snapshot for Carnelian Bay
Last spring frost
Jun 9
First fall frost
Sep 25
Growing season
108 days
Hardiness zone
9b
More local growing data for Carnelian Bay: nearby ZIP 95604 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, Tahoe City, Ca (6.2 mi from Carnelian Bay). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.