Princeton, North Carolina Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Princeton weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast——101°73°—
- SundayJul 5Overcast——100°75°-1°
- MondayJul 6Drizzle81%0.04″97°73°-3°
- TuesdayJul 7Heavy Showers59%1.1″90°72°-7°
- WednesdayJul 8Overcast51%—83°71°-7°
- ThursdayJul 9Overcast24%—93°70°+10°
- FridayJul 10Light Drizzle29%0.02″97°73°+4°
AQI 44 (Good), driven by Ozone. AQI down 6 over the last 6 hours (gradual decline). Ozone at AQI 71. Overcast through the UV peak window (cloud cover ~69%) — afternoon ozone should stay flat.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 71. Overcast through the UV peak window (cloud cover ~69%) — afternoon ozone should stay flat.
- Present
- AQI 71
- UV peak
- 9.4 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 44
PM × Wind × Precip
PM2.5 at 11.6 µg/m³ (AQI 56) with a 0.78 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.78
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:00 PM
- Moonset
- 10:21 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Princeton at a glance
- Today vs. normal: 22°F above the seasonal normal for this latitude
- Last frost: March 20 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 27569
16-Day Forecast — Princeton
- Sat101°73°0%
- Sun100°75°8%
- Mon97°73°81%
- Tue90°72°59%
- Wed83°71°51%
- Thu93°70°24%
- Fri97°73°29%
- Sat99°76°42%
- Sun99°75°32%
- Mon78°72°25%
- Tue92°70°22%
- Wed92°74°26%
- Thu95°74°32%
- Fri95°72°35%
- Sat96°73°41%
- Sun89°73°53%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 4, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — Princeton
SPC includes Princeton in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
ZIP codes in Princeton
- 27569