Middlesex, New Jersey Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Middlesex weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Rain73%0.17″89°73°—
- MondayJul 6Rain95%0.31″75°70°-14°
- TuesdayJul 7Light Drizzle85%0.01″70°64°-5°
- WednesdayJul 8Overcast20%—77°63°+7°
- ThursdayJul 9Overcast21%—82°64°+5°
- FridayJul 10Light Drizzle36%0.01″85°66°+3°
- SaturdayJul 11Overcast22%—84°62°-1°
AQI 43 (Good), driven by PM2.5. AQI down 22 over the last 6 hours — air quality is improving sharply. PM2.5 at 18.5 µg/m³ (AQI 69) with a 0.97 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 during the projected peak around 5 PM.
What's driving it
PM × Wind × Precip
PM2.5 at 18.5 µg/m³ (AQI 69) with a 0.97 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.97
- 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
- 11:15 PM
- Moonset
- 11:07 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Middlesex at a glance
- Today vs. normal: 5°F above the seasonal normal for this latitude
- Last frost: April 19 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 08846
15-Day Forecast — Middlesex
- Sun89°73°73%
- Mon75°70°95%
- Tue70°64°85%
- Wed77°63°20%
- Thu82°64°21%
- Fri85°66°36%
- Sat84°62°22%
- Sun81°64°25%
- Mon72°63°19%
- Tue84°61°12%
- Wed87°65°15%
- Thu90°67°33%
- Fri80°70°27%
- Sat84°67°33%
- Sun89°68°32%
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 — Middlesex
SPC has placed Middlesex 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 Middlesex
- 08846