Harman US

March ARB, CA Weather & Growing Conditions

Today
86°F
Sunny
Sunny, with a high near 86. West wind 0 to 10 mph, with gusts as high as 20 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 86°F Sunny 0 to 10 mph W 0%
Tonight 59°F Partly Cloudy 0 to 10 mph SW 0%
Sunday 84°F Mostly Sunny 0 to 10 mph NW 0%
Sunday Night 61°F Mostly Cloudy 0 to 5 mph SW 1%
Monday 80°F Mostly Sunny 0 to 10 mph SW 1%
Monday Night 59°F Partly Cloudy 0 to 10 mph SW 0%
Tuesday 82°F Sunny 0 to 10 mph SW 0%
Tuesday Night 61°F Clear 0 to 10 mph N 0%
Wednesday 91°F Sunny 0 to 10 mph NW 0%
Wednesday Night 63°F Mostly Clear 0 to 10 mph N 0%
Thursday 92°F Sunny 0 to 10 mph N 4%
Thursday Night 64°F Mostly Clear 0 to 10 mph NW 4%
Friday 91°F Sunny 0 to 5 mph W 4%
Friday Night 65°F Mostly Clear 0 to 5 mph NW 2%

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

Growing snapshot for March ARB, CA

Last spring frost
Jan 10
First fall frost
Jan 2
Growing season
365 days
Hardiness zone
9b

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

Climate data from the nearest NOAA station, Riverside Citrus Exp, Ca (6.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.