South River, New Jersey Weather
Fireflies rise from the lawn. Day 77 of spring. Read this microseason across nine climate regions →
South River weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Overcast——89°57°—
- FridayJun 5Overcast——95°62°+6°
- SaturdayJun 6Showers42%—91°68°-4°
- SundayJun 7Light Drizzle42%0.02″87°67°-4°
- MondayJun 8Partly Cloudy——80°62°-7°
- TuesdayJun 9Overcast——88°58°+8°
- WednesdayJun 10Mostly Clear——90°63°+2°
Ozone at AQI 106 — peak already passed at 1 PM under clear skies. AQI up 15 in the last 6 hours — air quality is degrading. Levels should ease through evening.
CAUTION Sensitive groups (children, elderly, respiratory conditions) should limit prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 106 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 106
- UV peak
- 5.6 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 106
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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 3:27 AM
- Moonset
- 12:56 PM
- In sign
- ♒︎ Aquarius
Fireflies rise from the lawn
South River at a glance
- Today vs. normal: 13°F above the seasonal normal for this latitude
- Last frost: April 19 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 4, 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 River
SPC has placed South River in the General Thunderstorms category for severe thunderstorms day after tomorrow.
- TODAYNONENo severe risk
- TOMORROWNONENo severe risk
- DAY 3TSTMGeneral Thunderstorms
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.
Beaches near South River
- Jacob Riis Beach27.8 mi
Each linked page shows live water temperature, wave height, swim and surf verdicts, tides, and rip-current risk from NDBC + NOAA + NWS data.