Harman US

Calpella, CA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Calpella, a community in Mendocino County, California.

Tonight
51°F
Mostly Clear
Mostly clear, with a low around 51. Northwest wind around 1 mph.

7-day forecast for Calpella

WhenTempForecastWindPrecip
Tonight 51°F Mostly Clear 1 mph NW 0%
Saturday 90°F Sunny 1 to 9 mph WNW 0%
Saturday Night 52°F Mostly Cloudy 0 to 8 mph W 0%
Sunday 88°F Partly Sunny 0 to 7 mph WSW 0%
Sunday Night 53°F Mostly Cloudy 0 to 7 mph W 0%
Monday 91°F Sunny 0 to 8 mph WNW 0%
Monday Night 53°F Mostly Clear 0 to 8 mph NW 0%
Tuesday 91°F Sunny 0 to 8 mph WNW 0%
Tuesday Night 53°F Mostly Clear 0 to 8 mph NNW 0%
Wednesday 94°F Sunny 0 to 8 mph NNW 0%
Wednesday Night 56°F Mostly Clear 0 to 8 mph NW 0%
Thursday 94°F Sunny 0 to 8 mph WNW 0%
Thursday Night 55°F Partly Cloudy 0 to 8 mph NNW 1%
Friday 88°F Mostly Sunny 0 to 9 mph WNW 1%

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

Nearby towns & communities

All California locations ›

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 Sep 19, 2026.