Princeton, NC Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Princeton, a town in Johnston County, North Carolina.
Today
82°F
Chance Showers And Thunderstorms
A chance of rain showers between 9am and 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and thunderstorms. Cloudy, with a high near 82. Southeast wind 1 to 6 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Princeton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Chance Showers And Thunderstorms | 1 to 6 mph SE | 82% |
| Tonight | 73°F | Showers And Thunderstorms Likely | 5 mph SE | 66% |
| Wednesday | 86°F | Chance Showers And Thunderstorms | 2 to 7 mph S | 39% |
| Wednesday Night | 72°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 to 6 mph S | 39% |
| Thursday | 89°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 2 to 7 mph S | 44% |
| Thursday Night | 72°F | Chance Showers And Thunderstorms then Partly Cloudy | 1 to 5 mph S | 44% |
| Friday | 90°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 6 mph SW | 24% |
| Friday Night | 72°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 1 to 5 mph S | 24% |
| Saturday | 89°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 1 to 6 mph SW | 24% |
| Saturday Night | 72°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph SW | 24% |
| Sunday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 to 6 mph SW | 29% |
| Sunday Night | 72°F | Chance Showers And Thunderstorms then Partly Cloudy | 3 mph SW | 29% |
| Monday | 90°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 6 mph SW | 22% |
| Monday Night | 73°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph SW | 22% |
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 Aug 4, 2026.