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Yermo, CA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Yermo, a community in San Bernardino County, California.

This Afternoon
72°F
Sunny
Sunny. High near 72, with temperatures falling to around 69 in the afternoon. West southwest wind around 5 mph.

7-day forecast for Yermo

WhenTempForecastWindPrecip
This Afternoon 72°F Sunny 5 mph WSW 0%
Tonight 50°F Clear 8 to 21 mph W 0%
Wednesday 72°F Sunny 3 to 15 mph NNW 0%
Wednesday Night 50°F Mostly Clear 6 mph WNW 0%
Thursday 73°F Mostly Sunny 6 mph N 0%
Thursday Night 52°F Mostly Clear 3 to 7 mph NW 0%
Friday 75°F Sunny 5 to 8 mph N 0%
Friday Night 53°F Clear 6 mph N 0%
Saturday 76°F Sunny 7 mph NNE 0%
Saturday Night 54°F Mostly Clear 6 mph N 0%
Sunday 77°F Sunny 6 to 10 mph NE 0%
Sunday Night 55°F Partly Cloudy 3 to 7 mph N 0%
Monday 77°F Mostly Sunny 5 mph NNE 0%
Monday Night 56°F Partly Cloudy 6 mph SW 0%

Forecast source: National Weather Service (api.weather.gov) for Yermo (34.907, -116.823). Updated through the day.

Growing snapshot for Yermo

Last spring frost
Feb 19
First fall frost
Nov 26
Growing season
279 days
Hardiness zone
9a

More local growing data for Yermo: nearby ZIP 92327 weather · frost dates · planting calendar · California frost dates

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Climate data from the nearest NOAA station, Barstow Daggett Ap, Ca (3 mi from Yermo). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.