South Plainfield, New Jersey Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
South Plainfield weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Heavy Rain70%1.5″85°74°—
- MondayJul 6Heavy Rain94%0.57″74°67°-11°
- TuesdayJul 7Drizzle81%0.02″70°63°-4°
- WednesdayJul 8Overcast36%—80°63°+10°
- ThursdayJul 9Light Drizzle17%—84°65°+4°
- FridayJul 10Light Drizzle44%0.04″90°71°+6°
- SaturdayJul 11Overcast31%—89°67°-1°
AQI 52 (Moderate), driven by PM2.5. AQI down 54 over the last 6 hours — air quality is improving sharply. PM2.5 at 9.6 µg/m³, PM10 at 9.7 µg/m³ — typical background levels with no transport signature.
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 31. Overcast through the UV peak window (cloud cover ~95%) — afternoon ozone should stay flat.
- Present
- AQI 31
- UV peak
- 3.3 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 7
PM × Wind × Precip
PM2.5 at 9.6 µg/m³, PM10 at 9.7 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.99
- Wind
- light
- Recent rain
- 1h in last 6h
- Pattern
- background
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
South Plainfield at a glance
- Today vs. normal: 4°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: 07080
15-Day Forecast — South Plainfield
- Sun85°73°70%
- Mon74°67°94%
- Tue70°63°81%
- Wed80°63°36%
- Thu84°65°17%
- Fri90°71°44%
- Sat89°67°31%
- Sun79°64°25%
- Mon86°64°15%
- Tue90°66°19%
- Wed89°69°34%
- Thu89°70°34%
- Fri85°71°30%
- Sat87°69°26%
- Sun94°75°36%
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 — South Plainfield
SPC has placed South Plainfield in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWMRGLMarginal 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.
Beaches near South Plainfield
- Jacob Riis Beach28.3 mi
Each linked page shows live water temperature, wave height, swim and surf verdicts, tides, and rip-current risk from NDBC + NOAA + NWS data.
ZIP codes in South Plainfield
- 07080