Loyalton, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Loyalton, a city in Sierra County, California.
Tonight
40°F
Clear
Clear, with a low around 40. Wind around 0 mph.
7-day forecast for Loyalton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 40°F | Clear | 0 mph | 0% |
| Saturday | 78°F | Sunny | 0 to 5 mph NE | 0% |
| Saturday Night | 42°F | Partly Cloudy | 0 to 5 mph S | 0% |
| Sunday | 79°F | Partly Sunny | 0 to 5 mph E | 0% |
| Sunday Night | 46°F | Mostly Cloudy | 0 to 5 mph N | 0% |
| Monday | 81°F | Mostly Sunny | 0 to 5 mph NE | 1% |
| Monday Night | 44°F | Mostly Clear | 0 to 5 mph NW | 0% |
| Tuesday | 82°F | Sunny | 0 to 5 mph N | 1% |
| Tuesday Night | 47°F | Mostly Clear | 0 to 5 mph NW | 0% |
| Wednesday | 84°F | Sunny | 0 to 5 mph W | 0% |
| Wednesday Night | 47°F | Mostly Clear | 0 to 5 mph SW | 0% |
| Thursday | 84°F | Sunny | 0 to 10 mph S | 0% |
| Thursday Night | 47°F | Partly Cloudy | 0 to 10 mph SW | 0% |
| Friday | 79°F | Mostly Sunny | 0 to 10 mph SW | 0% |
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
Nearby towns & communities
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 Sep 19, 2026.