Little Grass Valley, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Little Grass Valley, a community in Plumas County, California.
Today
44°F
Light Rain
Rain before 3pm, then haze and a chance of rain between 3pm and 5pm, then haze and areas of fog and a chance of rain. Mostly cloudy. High near 44, with temperatures falling to around 40 in the afternoon. South wind 0 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Little Grass Valley
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 44°F | Light Rain | 0 to 13 mph S | 93% |
| Tonight | 32°F | Haze then Areas Of Frost | 1 to 5 mph SE | 15% |
| Wednesday | 53°F | Areas Of Frost then Sunny | 1 to 7 mph NNW | 0% |
| Wednesday Night | 33°F | Partly Cloudy then Widespread Frost | 1 to 6 mph N | 0% |
| Thursday | 57°F | Widespread Frost then Sunny | 1 to 7 mph N | 0% |
| Thursday Night | 34°F | Mostly Clear then Areas Of Frost | 1 to 8 mph N | 0% |
| Friday | 61°F | Widespread Frost then Sunny | 1 to 8 mph NE | 0% |
| Friday Night | 37°F | Mostly Clear | 1 to 10 mph NE | 0% |
| Saturday | 62°F | Sunny | 2 to 8 mph ENE | 0% |
| Saturday Night | 38°F | Mostly Clear | 2 to 6 mph ESE | 0% |
| Sunday | 60°F | Mostly Sunny | 5 mph S | 0% |
| Sunday Night | 39°F | Partly Cloudy | 3 mph ESE | 0% |
| Monday | 57°F | Mostly Sunny | 5 mph SSE | 4% |
| Monday Night | 38°F | Partly Cloudy | 2 mph ESE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Little Grass Valley (39.725, -120.959). Updated through the day.
Growing snapshot for Little Grass Valley
Last spring frost
May 4
First fall frost
Oct 30
Growing season
174 days
Hardiness zone
8a
More local growing data for Little Grass Valley: nearby ZIP 95981 weather · frost dates · planting calendar · California frost dates
Nearby towns & communities
Almanor
Beckwourth
Belden
Blairsden
Bucks Lake
C-Road
Canyondam
Caribou
Chester
Chilcoot-Vinton
Clear Creek
Clio
Crescent Mills
Cromberg
Delleker
East Quincy
East Shore
Gold Mountain
Graeagle
Greenhorn
Greenville
Hamilton Branch
Indian Falls
Iron Horse
Johnsville
Keddie
La Porte
Lake Almanor Country Club
Lake Almanor Peninsula
Lake Almanor West
Climate data from the nearest NOAA station, Strawberry Valley, Ca (7.2 mi from Little Grass Valley). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.