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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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
Nearby towns & communities
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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.