Round Mountain, CA Weather & Growing Conditions
Tonight
52°F
Clear
Clear. Low around 52, with temperatures rising to around 54 overnight. East wind 6 to 9 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Clear | 6 to 9 mph E | 0% |
| Saturday | 77°F | Sunny | 2 to 10 mph NE | 0% |
| Saturday Night | 55°F | Partly Cloudy | 2 to 7 mph NE | 0% |
| Sunday | 77°F | Mostly Sunny | 2 to 8 mph N | 0% |
| Sunday Night | 56°F | Partly Cloudy | 1 to 5 mph SSE | 0% |
| Monday | 79°F | Mostly Sunny | 3 to 7 mph NNW | 0% |
| Monday Night | 57°F | Mostly Clear | 3 mph E | 0% |
| Tuesday | 78°F | Sunny | 5 mph W | 0% |
| Tuesday Night | 56°F | Mostly Clear | 1 to 5 mph E | 0% |
| Wednesday | 78°F | Sunny | 2 to 6 mph W | 0% |
| Wednesday Night | 57°F | Mostly Clear | 5 mph SE | 0% |
| Thursday | 78°F | Sunny | 3 to 8 mph S | 0% |
| Thursday Night | 58°F | Partly Cloudy | 7 mph SSE | 0% |
| Friday | 73°F | Sunny | 5 to 8 mph SSW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Round Mountain, CA
Last spring frost
Jun 3
First fall frost
Sep 14
Growing season
102 days
Hardiness zone
9a
Explore more for Round Mountain, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Burney, Ca (12.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.