Castalia, NC Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Castalia, a town in Franklin County, North Carolina.
Tonight
51°F
Mostly Clear
Mostly clear, with a low around 51. East wind around 2 mph.
7-day forecast for Castalia
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 51°F | Mostly Clear | 2 mph E | 1% |
| Wednesday | 80°F | Mostly Sunny | 0 to 7 mph SE | 4% |
| Wednesday Night | 61°F | Mostly Cloudy | 5 mph SE | 5% |
| Thursday | 82°F | Mostly Cloudy then Chance Rain Showers | 3 to 7 mph S | 27% |
| Thursday Night | 66°F | Chance Rain Showers | 3 mph S | 38% |
| Friday | 75°F | Showers And Thunderstorms | 2 to 6 mph SW | 82% |
| Friday Night | 54°F | Rain Showers | 0 to 3 mph NW | 82% |
| Saturday | 71°F | Slight Chance Rain Showers then Mostly Sunny | 2 to 6 mph N | 16% |
| Saturday Night | 45°F | Partly Cloudy | 2 mph N | 5% |
| Sunday | 66°F | Mostly Sunny | 3 mph NW | 7% |
| Sunday Night | 43°F | Partly Cloudy | 1 to 5 mph NW | 13% |
| Monday | 64°F | Slight Chance Rain Showers | 5 to 10 mph W | 15% |
| Monday Night | 40°F | Mostly Clear | 5 mph W | 8% |
| Tuesday | 67°F | Sunny | 5 to 9 mph W | 7% |
Forecast source: National Weather Service (api.weather.gov) for Castalia (36.082, -78.058). Updated through the day.
Growing snapshot for Castalia
Last spring frost
Apr 11
First fall frost
Oct 29
Growing season
201 days
Hardiness zone
8a
More local growing data for Castalia: nearby ZIP 27816 weather · frost dates · planting calendar · North Carolina frost dates
Nearby towns & communities
All North Carolina locations ›
Climate data from the nearest NOAA station, Louisburg, Nc (12.9 mi from Castalia). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.