Grass Valley, NV Weather & Growing Conditions
This Afternoon
73°F
Sunny
Sunny, with a high near 73. West northwest wind around 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Sunny | 10 mph WNW | 1% |
| Tonight | 45°F | Mostly Clear | 0 to 10 mph S | 0% |
| Saturday | 77°F | Sunny | 0 to 5 mph NNE | 0% |
| Saturday Night | 46°F | Mostly Clear | 0 to 5 mph ENE | 0% |
| Sunday | 83°F | Mostly Sunny | 5 mph NE | 0% |
| Sunday Night | 52°F | Mostly Cloudy | 5 mph NE | 0% |
| Monday | 85°F | Mostly Sunny | 5 mph NNE | 0% |
| Monday Night | 53°F | Partly Cloudy | 0 to 5 mph NNE | 0% |
| Tuesday | 85°F | Sunny | 0 to 5 mph NNE | 1% |
| Tuesday Night | 52°F | Mostly Clear | 0 to 5 mph NE | 1% |
| Wednesday | 86°F | Sunny | 0 to 5 mph S | 1% |
| Wednesday Night | 52°F | Mostly Clear | 0 to 5 mph SSE | 1% |
| Thursday | 88°F | Sunny | 5 mph S | 0% |
| Thursday Night | 53°F | Partly Cloudy | 5 mph SSW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Grass Valley, NV
Last spring frost
May 31
First fall frost
Sep 17
Growing season
108 days
Hardiness zone
6b
Explore more for Grass Valley, NV: full frost dates · planting calendar · Nevada frost dates
Climate data from the nearest NOAA station, Winnemucca Muni Ap, Nv (7.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.