Cedar Knolls, New Jersey Weather
Queen Anne's lace lines the roads. Day 16 of summer. Read this microseason across nine climate regions →
Cedar Knolls weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 6Rain99%0.53″71°67°—
- TuesdayJul 7Overcast23%—75°65°+4°
- WednesdayJul 8Overcast——85°64°+10°
- ThursdayJul 9Drizzle21%—84°67°-1°
- FridayJul 10Thunderstorm46%—90°70°+6°
- SaturdayJul 11Overcast33%—87°67°-3°
- SundayJul 12Overcast21%—87°70°0°
AQI 56 (Moderate), driven by PM2.5. AQI down 17 over the last 6 hours — air quality is improving sharply. PM scrubbed by 3 hours of recent rain — PM2.5 down to 11.2 µg/m³, PM10 to 12.8 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 38. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 38
- UV peak
- 0.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 5
PM × Wind × Precip
PM scrubbed by 3 hours of recent rain — PM2.5 down to 11.2 µg/m³, PM10 to 12.8 µg/m³.
- PM2.5/PM10
- 0.87
- Wind
- light
- Recent rain
- 3h 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).








































When the stars begin to huddle, the earth will soon become a puddle.
- Moonrise
- 11:38 PM
- Moonset
- 12:15 PM
- In sign
- ♓︎ Pisces
Queen Anne's lace lines the roads
Cedar Knolls at a glance
- Today vs. normal: 3°F below the seasonal normal for this latitude
- Last frost: April 21 (climatological average for this latitude)
- Microseason: Jul 6–10
- Planting window: Sow fall broccoli and cabbage indoors for transplant in 4 weeks.
ZIP code: 07927
15-Day Forecast — Cedar Knolls
- Mon71°67°99%
- Tue75°65°23%
- Wed85°64°7%
- Thu84°67°21%
- Fri90°70°46%
- Sat87°67°33%
- Sun87°70°21%
- Mon87°70°22%
- Tue90°67°15%
- Wed88°66°17%
- Thu75°67°20%
- Fri86°67°42%
- Sat81°61°40%
- Sun85°65°36%
- Mon85°66°45%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 6, 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 — Cedar Knolls
SPC includes Cedar Knolls in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWNONENo severe risk
- DAY 3NONENo severe risk
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 Cedar Knolls
- 07927