Castalia, NC Weather & Growing Conditions
Today
83°F
Chance Showers And Thunderstorms
A slight chance of rain showers before 11am, then a chance of showers and thunderstorms between 11am and 1pm, then showers and thunderstorms. Cloudy. High near 83, with temperatures falling to around 77 in the afternoon. East wind 2 to 6 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Chance Showers And Thunderstorms | 2 to 6 mph E | 81% |
| Tonight | 72°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 5 mph SE | 73% |
| Wednesday | 86°F | Showers And Thunderstorms Likely | 2 to 6 mph S | 57% |
| Wednesday Night | 71°F | Showers And Thunderstorms Likely | 5 mph S | 57% |
| Thursday | 88°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 to 7 mph S | 32% |
| Thursday Night | 71°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 mph S | 32% |
| Friday | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 to 6 mph SW | 23% |
| Friday Night | 71°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 1 to 5 mph SW | 23% |
| Saturday | 88°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 to 6 mph SW | 21% |
| Saturday Night | 71°F | Slight Chance Showers And Thunderstorms | 1 to 5 mph SW | 21% |
| Sunday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 mph SW | 26% |
| Sunday Night | 71°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 mph SW | 26% |
| Monday | 90°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 mph SW | 19% |
| Monday Night | 72°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 mph SW | 19% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Castalia, NC
Last spring frost
Apr 11
First fall frost
Oct 29
Growing season
201 days
Hardiness zone
8a
Explore more for Castalia, NC: full frost dates · planting calendar · North Carolina frost dates
Climate data from the nearest NOAA station, Louisburg, Nc (12.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.