Grass Valley, NV Weather & Growing Conditions
Today
96°F
Patchy Smoke
Patchy smoke before 4pm. Sunny, with a high near 96. North northeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 96°F | Patchy Smoke | 5 mph NNE | 0% |
| Tonight | 58°F | Mostly Clear then Patchy Smoke | 0 to 5 mph NE | 0% |
| Wednesday | 102°F | Mostly Sunny | 0 to 5 mph NW | 0% |
| Wednesday Night | 61°F | Mostly Clear | 0 to 5 mph SW | 0% |
| Thursday | 104°F | Sunny | 0 to 10 mph SSW | 0% |
| Thursday Night | 64°F | Mostly Clear | 5 to 10 mph SW | 0% |
| Friday | 104°F | Sunny | 5 to 10 mph WSW | 0% |
| Friday Night | 65°F | Mostly Clear | 0 to 10 mph WSW | 0% |
| Saturday | 104°F | Sunny | 0 to 15 mph WSW | 0% |
| Saturday Night | 65°F | Mostly Clear | 0 to 15 mph WSW | 0% |
| Sunday | 102°F | Sunny | 0 to 15 mph W | 0% |
| Sunday Night | 63°F | Mostly Clear | 5 to 15 mph SW | 0% |
| Monday | 99°F | Sunny | 5 to 15 mph WSW | 0% |
| Monday Night | 61°F | Mostly Clear | 5 to 15 mph SW | 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 Aug 4, 2026.