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Loyalton, CA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Loyalton, a city in Sierra County, California.

This Afternoon
55°F
Chance Light Rain
A chance of rain. Mostly cloudy. High near 55, with temperatures falling to around 42 in the afternoon. Southwest wind 5 to 15 mph. Chance of precipitation is 40%.

7-day forecast for Loyalton

WhenTempForecastWindPrecip
This Afternoon 55°F Chance Light Rain 5 to 15 mph SW 43%
Tonight 25°F Chance Light Rain then Mostly Cloudy 0 to 5 mph NW 26%
Wednesday 57°F Sunny 0 mph 0%
Wednesday Night 27°F Partly Cloudy 0 mph 0%
Thursday 59°F Sunny 0 to 5 mph NE 0%
Thursday Night 27°F Mostly Clear 0 mph 0%
Friday 63°F Sunny 0 to 5 mph E 0%
Friday Night 30°F Mostly Clear 0 to 5 mph SE 0%
Saturday 68°F Sunny 0 mph 0%
Saturday Night 32°F Mostly Clear 0 to 5 mph S 0%
Sunday 67°F Mostly Sunny 0 to 5 mph SW 0%
Sunday Night 33°F Partly Cloudy 0 to 5 mph SW 0%
Monday 64°F Mostly Sunny 0 to 5 mph SW 0%
Monday Night 32°F Partly Cloudy 0 to 5 mph SW 1%

Forecast source: National Weather Service (api.weather.gov) for Loyalton (39.677, -120.245). Updated through the day.

Growing snapshot for Loyalton

Last spring frost
May 9
First fall frost
Oct 17
Growing season
156 days
Hardiness zone
6b

More local growing data for Loyalton: nearby ZIP 96118 weather · frost dates · planting calendar · California frost dates

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Climate data from the nearest NOAA station, Verdi 2W, Ca (14.3 mi from Loyalton). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.