Monmouth Junction, New Jersey Weather
Queen Anne's lace lines the roads. Day 16 of summer. Read this microseason across nine climate regions →
Monmouth Junction weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Light Rain71%0.11″86°73°—
- MondayJul 6Heavy Rain72%1.9″74°67°-12°
- TuesdayJul 7Overcast34%—76°66°+2°
- WednesdayJul 8Overcast22%—81°65°+5°
- ThursdayJul 9Light Drizzle32%—90°66°+9°
- FridayJul 10Light Showers33%0.02″89°68°-1°
- SaturdayJul 11Overcast28%—86°67°-3°
AQI 107 (Unhealthy for Sensitive Groups), driven by PM2.5. AQI up 29 in the last 6 hours — air quality is degrading. PM scrubbed by 3 hours of recent rain — PM2.5 down to 19.4 µg/m³, PM10 to 21.4 µg/m³.
CAUTION Sensitive groups (children, elderly, respiratory conditions) should limit prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 56. Overcast through the UV peak window (cloud cover ~99%) — afternoon ozone should stay flat.
- Present
- AQI 56
- UV peak
- 0.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 7
PM × Wind × Precip
PM scrubbed by 3 hours of recent rain — PM2.5 down to 19.4 µg/m³, PM10 to 21.4 µg/m³.
- PM2.5/PM10
- 0.91
- 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
Monmouth Junction at a glance
- Today vs. normal: 4°F above the seasonal normal for this latitude
- Last frost: April 18 (climatological average for this latitude)
- Microseason: Jul 6–10
- Planting window: Sow fall broccoli and cabbage indoors for transplant in 4 weeks.
ZIP code: 08852
16-Day Forecast — Monmouth Junction
- Sun86°73°71%
- Mon74°67°72%
- Tue76°66°34%
- Wed81°65°22%
- Thu90°66°32%
- Fri89°68°33%
- Sat86°67°28%
- Sun88°66°17%
- Mon94°67°21%
- Tue92°73°17%
- Wed84°62°17%
- Thu83°62°26%
- Fri87°61°30%
- Sat68°65°28%
- Sun69°65°29%
- Mon81°65°24%
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 — Monmouth Junction
SPC has placed Monmouth Junction in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
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 Monmouth Junction
- 08852