Grenloch, New Jersey Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Grenloch weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Light Rain66%0.09″93°73°—
- MondayJul 6Heavy Showers88%0.18″85°72°-8°
- TuesdayJul 7Light Showers73%—74°68°-11°
- WednesdayJul 8Overcast30%—80°65°+6°
- ThursdayJul 9Light Drizzle21%—92°66°+12°
- FridayJul 10Light Drizzle43%0.02″94°73°+2°
- SaturdayJul 11Overcast36%—87°69°-7°
AQI 78 (Moderate), driven by PM2.5. AQI down 46 over the last 6 hours — air quality is improving sharply. PM scrubbed by 2 hours of recent rain — PM2.5 down to 9.8 µg/m³, PM10 to 10.4 µg/m³.
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 42. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 42
- UV peak
- 3.3 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 9
PM × Wind × Precip
PM scrubbed by 2 hours of recent rain — PM2.5 down to 9.8 µg/m³, PM10 to 10.4 µg/m³.
- PM2.5/PM10
- 0.94
- Wind
- calm
- Recent rain
- 2h in last 6h
- Pattern
- washed out
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
- 11:17 PM
- Moonset
- 11:10 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Grenloch at a glance
- Today vs. normal: 3°F above the seasonal normal for this latitude
- Last frost: April 15 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 08032
15-Day Forecast — Grenloch
- Sun93°73°66%
- Mon85°72°88%
- Tue74°68°73%
- Wed80°65°30%
- Thu92°66°21%
- Fri94°73°43%
- Sat87°69°36%
- Sun78°69°17%
- Mon88°65°14%
- Tue89°65°10%
- Wed93°68°28%
- Thu93°71°31%
- Fri91°70°35%
- Sat89°71°29%
- Sun96°75°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 — Grenloch
SPC has placed Grenloch in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWSLGTSlight Risk
- 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 Grenloch
- 08032
- 08012