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Princeton, NC Weather & Growing Conditions

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

Tonight
70°F
Chance Showers And Thunderstorms then Mostly Cloudy
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 70. North wind 0 to 3 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast for Princeton

WhenTempForecastWindPrecip
Tonight 70°F Chance Showers And Thunderstorms then Mostly Cloudy 0 to 3 mph N 41%
Saturday 84°F Mostly Sunny then Chance Showers And Thunderstorms 3 to 7 mph NE 30%
Saturday Night 68°F Chance Showers And Thunderstorms then Partly Cloudy 1 to 7 mph NE 34%
Sunday 88°F Mostly Sunny 2 mph E 12%
Sunday Night 70°F Mostly Clear 2 mph S 9%
Monday 90°F Mostly Sunny then Chance Showers And Thunderstorms 0 to 3 mph NE 54%
Monday Night 69°F Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 3 mph E 55%
Tuesday 83°F Showers And Thunderstorms Likely 3 to 8 mph NE 62%
Tuesday Night 66°F Showers And Thunderstorms Likely then Chance Showers And Thunderstorms 7 to 10 mph NE 62%
Wednesday 78°F Chance Rain Showers then Chance Showers And Thunderstorms 10 to 15 mph NE 34%
Wednesday Night 63°F Chance Showers And Thunderstorms then Mostly Cloudy 8 to 15 mph N 34%
Thursday 77°F Partly Sunny then Slight Chance Showers And Thunderstorms 14 mph N 18%
Thursday Night 60°F Slight Chance Showers And Thunderstorms 5 to 13 mph N 18%
Friday 77°F Slight Chance Rain Showers 10 mph N 15%

Forecast source: National Weather Service (api.weather.gov) for Princeton (35.467, -78.162). Updated through the day.

Growing snapshot for Princeton

Last spring frost
Mar 28
First fall frost
Nov 12
Growing season
231 days
Hardiness zone
8a

More local growing data for Princeton: nearby ZIP 27569 weather · frost dates · planting calendar · North Carolina frost dates

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Climate data from the nearest NOAA station, Goldsboro Ag 1 N, Nc (9.8 mi from Princeton). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.