New Gretna, New Jersey Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
New Gretna weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast45%—92°74°—
- MondayJul 6Light Showers79%0.55″79°73°-13°
- TuesdayJul 7Showers79%0.55″76°69°-3°
- WednesdayJul 8Overcast18%—73°67°-3°
- ThursdayJul 9Overcast15%—80°66°+7°
- FridayJul 10Light Drizzle34%—90°71°+10°
- SaturdayJul 11Overcast19%—78°65°-12°
AQI 50 (Good), driven by PM2.5. AQI down 65 over the last 6 hours — air quality is improving sharply. PM2.5 at 9.5 µg/m³ (AQI 52) with a 0.90 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
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 39 now. With UV 1.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 9 around 1 PM.
- Present
- AQI 39
- UV peak
- 1.0 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 9
PM × Wind × Precip
PM2.5 at 9.5 µg/m³ (AQI 52) with a 0.90 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.90
- 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
- 11:14 PM
- Moonset
- 11:07 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
New Gretna at a glance
- Today vs. normal: 4°F above the seasonal normal for this latitude
- Last frost: April 14 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 08224
15-Day Forecast — New Gretna
- Sun92°74°45%
- Mon79°73°79%
- Tue76°69°79%
- Wed73°67°18%
- Thu80°66°15%
- Fri90°71°34%
- Sat78°65°19%
- Sun77°66°20%
- Mon77°66°19%
- Tue77°64°14%
- Wed79°67°12%
- Thu84°69°33%
- Fri88°73°31%
- Sat81°70°34%
- Sun87°70°39%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, 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 — New Gretna
SPC has placed New Gretna in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.
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 New Gretna
- 08087
- 08224