Harman US

Casmalia, CA Weather & Growing Conditions

This Afternoon
66°F
Slight Chance Rain Showers
A slight chance of rain showers after 4pm. Partly sunny, with a high near 66. Northwest wind around 15 mph. Chance of precipitation is 20%.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 66°F Slight Chance Rain Showers 15 mph NW 15%
Tonight 52°F Slight Chance Rain Showers then Partly Cloudy 5 to 15 mph NNW 15%
Wednesday 70°F Sunny 5 to 20 mph NNW 1%
Wednesday Night 54°F Partly Cloudy 10 to 20 mph N 0%
Thursday 75°F Sunny 10 to 15 mph N 0%
Thursday Night 53°F Mostly Clear 10 to 15 mph N 0%
Friday 79°F Sunny 5 to 10 mph N 0%
Friday Night 54°F Mostly Clear 5 to 10 mph NNE 0%
Saturday 79°F Sunny 0 to 5 mph N 0%
Saturday Night 54°F Mostly Clear 0 to 5 mph NNE 0%
Sunday 79°F Sunny 0 to 5 mph N 0%
Sunday Night 56°F Partly Cloudy 0 to 5 mph N 0%
Monday 76°F Mostly Sunny 0 to 5 mph NNW 0%
Monday Night 55°F Partly Cloudy 0 to 5 mph NNW 0%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Casmalia, CA

Last spring frost
Feb 4
First fall frost
Dec 13
Growing season
315 days
Hardiness zone
10a

Explore more for Casmalia, CA: full frost dates · planting calendar · California frost dates

Climate data from the nearest NOAA station, Santa Maria Public Ap, Ca (5.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.