Rail Road Flat, CA Weather & Growing Conditions
Overnight
56°F
Mostly Cloudy
Mostly cloudy. Low around 56, with temperatures rising to around 58 overnight. East wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 56°F | Mostly Cloudy | 2 mph E | 0% |
| Sunday | 83°F | Patchy Smoke then Haze | 5 mph SSW | 1% |
| Sunday Night | 56°F | Mostly Cloudy then Patchy Smoke | 3 mph NE | 2% |
| Monday | 81°F | Patchy Smoke then Partly Sunny | 1 to 5 mph SSE | 1% |
| Monday Night | 54°F | Partly Cloudy | 2 mph NE | 1% |
| Tuesday | 81°F | Sunny | 1 to 6 mph W | 0% |
| Tuesday Night | 55°F | Clear | 3 mph NNE | 0% |
| Wednesday | 86°F | Sunny | 2 to 6 mph W | 0% |
| Wednesday Night | 59°F | Mostly Clear | 2 to 8 mph NE | 0% |
| Thursday | 90°F | Sunny | 2 to 7 mph SW | 0% |
| Thursday Night | 60°F | Mostly Clear | 2 to 7 mph ENE | 1% |
| Friday | 86°F | Mostly Sunny | 2 to 6 mph SSW | 1% |
| Friday Night | 57°F | Mostly Clear | 1 to 5 mph N | 2% |
| Saturday | 82°F | Sunny | 1 to 6 mph SSW | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Rail Road Flat, CA
Last spring frost
May 7
First fall frost
Oct 28
Growing season
169 days
Hardiness zone
9a
Explore more for Rail Road Flat, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Calaveras Big Trees, Ca (8.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.