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Castalia, NC Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Castalia, a town in Franklin County, North Carolina.

This Afternoon
78°F
Partly Sunny
Partly sunny, with a high near 78. South wind around 6 mph.

7-day forecast for Castalia

WhenTempForecastWindPrecip
This Afternoon 78°F Partly Sunny 6 mph S 2%
Tonight 61°F Mostly Cloudy then Patchy Fog 3 mph SE 5%
Thursday 81°F Chance Rain Showers 2 to 7 mph S 27%
Thursday Night 64°F Mostly Cloudy then Chance Showers And Thunderstorms 2 mph S 53%
Friday 74°F Showers And Thunderstorms 2 to 6 mph SW 95%
Friday Night 53°F Showers And Thunderstorms 0 to 5 mph NW 93%
Saturday 68°F Sunny 7 mph NW 5%
Saturday Night 41°F Mostly Clear 5 mph NW 2%
Sunday 64°F Sunny 5 mph NW 2%
Sunday Night 40°F Mostly Clear 3 mph W 6%
Monday 65°F Sunny 3 to 7 mph NW 4%
Monday Night 39°F Mostly Clear 2 mph W 1%
Tuesday 67°F Sunny 1 to 7 mph SW 1%
Tuesday Night 42°F Mostly Clear 3 mph W 3%

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.