Calpella, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Calpella, a community in Mendocino County, California.
This Afternoon
58°F
Slight Chance Light Rain
A slight chance of rain. Mostly cloudy, with a high near 58. Northwest wind around 1 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Calpella
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 58°F | Slight Chance Light Rain | 1 mph NW | 18% |
| Tonight | 44°F | Slight Chance Light Rain then Patchy Fog | 2 mph NNW | 18% |
| Wednesday | 66°F | Patchy Fog then Partly Sunny | 1 to 10 mph NW | 1% |
| Wednesday Night | 40°F | Partly Cloudy then Patchy Fog | 1 to 8 mph WNW | 0% |
| Thursday | 72°F | Patchy Fog then Sunny | 1 to 12 mph NNW | 0% |
| Thursday Night | 40°F | Mostly Clear | 0 to 12 mph NNW | 0% |
| Friday | 75°F | Sunny | 0 to 3 mph W | 0% |
| Friday Night | 43°F | Mostly Clear | 0 to 3 mph NNE | 0% |
| Saturday | 79°F | Sunny | 0 to 3 mph SW | 0% |
| Saturday Night | 43°F | Partly Cloudy then Patchy Fog | 0 to 3 mph NNW | 0% |
| Sunday | 73°F | Patchy Fog then Mostly Sunny | 0 to 5 mph NW | 0% |
| Sunday Night | 43°F | Mostly Cloudy then Areas Of Fog | 0 to 5 mph NW | 3% |
| Monday | 70°F | Areas Of Fog then Partly Sunny | 0 to 6 mph NW | 6% |
| Monday Night | 41°F | Partly Cloudy then Areas Of Fog | 0 to 6 mph NW | 5% |
Forecast source: National Weather Service (api.weather.gov) for Calpella (39.234, -123.194). Updated through the day.
Growing snapshot for Calpella
Last spring frost
Apr 8
First fall frost
Nov 6
Growing season
211 days
Hardiness zone
9a
More local growing data for Calpella: nearby ZIP 95470 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, Potter Valley Powerhouse, Ca (7.3 mi from Calpella). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.