Ruth, CA Weather & Growing Conditions

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

Tonight

35°F

Partly Cloudy then Patchy Fog

Patchy fog after 1am. Partly cloudy, with a low around 35. North northeast wind 1 to 6 mph. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Ruth

When	Temp	Forecast	Wind	Precip
Tonight	35°F	Partly Cloudy then Patchy Fog	1 to 6 mph NNE	9%
Wednesday	63°F	Areas Of Fog then Mostly Sunny	1 to 7 mph NW	3%
Wednesday Night	34°F	Partly Cloudy then Patchy Fog	2 to 6 mph NNW	3%
Thursday	68°F	Patchy Fog then Sunny	2 to 6 mph NNW	0%
Thursday Night	37°F	Mostly Clear	0 to 6 mph NNE	0%
Friday	74°F	Mostly Sunny	0 to 3 mph NNW	0%
Friday Night	40°F	Mostly Clear	0 to 3 mph NE	0%
Saturday	76°F	Sunny	1 to 5 mph SSE	0%
Saturday Night	37°F	Partly Cloudy then Patchy Fog	2 mph S	1%
Sunday	69°F	Patchy Fog then Partly Sunny	0 to 3 mph SW	3%
Sunday Night	37°F	Mostly Cloudy then Areas Of Fog	1 mph SE	5%
Monday	67°F	Areas Of Fog then Partly Sunny	2 mph SSW	10%
Monday Night	36°F	Partly Cloudy then Areas Of Fog	2 mph SSE	18%
Tuesday	69°F	Areas Of Fog	0 to 3 mph S	26%

Forecast source: National Weather Service (api.weather.gov) for Ruth (40.294, -123.348). Updated through the day.

Growing snapshot for Ruth

Last spring frost

Mar 4

First fall frost

Nov 22

Growing season

264 days

Hardiness zone

More local growing data for Ruth: nearby ZIP 95552 weather · frost dates · planting calendar · California frost dates

Nearby towns & communities

Burnt Ranch Coffee Creek Douglas City Hayfork Hyampom Junction City Lewiston Mad River Platina Post Mountain Salyer Trinity Center Trinity Village Weaverville

All California locations ›

Climate data from the nearest NOAA station, Grizzly Creek Sp, Ca (27.7 mi from Ruth). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.