Rumson, New Jersey Weather
Fireflies rise from the lawn. Day 77 of spring. Read this microseason across nine climate regions →
Rumson weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Mostly Clear——85°56°—
- FridayJun 5Overcast——86°62°+1°
- SaturdayJun 6Light Showers38%—91°67°+5°
- SundayJun 7Drizzle38%—85°68°-6°
- MondayJun 8Light Drizzle——73°62°-12°
- TuesdayJun 9Overcast——81°58°+8°
- WednesdayJun 10Mostly Clear——86°62°+5°
Ozone at AQI 78 — peak already passed at 1 PM under clear skies. AQI flat over the last 6 hours (within ±4 points). Levels should ease through evening.
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 78 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 78
- UV peak
- 3.5 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 78
PM × Wind × Precip
PM2.5 at 12.7 µg/m³, PM10 at 14.8 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.86
- Wind
- breezy
- Recent rain
- 0h 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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 3:25 AM
- Moonset
- 12:54 PM
- In sign
- ♒︎ Aquarius
Fireflies rise from the lawn
Rumson at a glance
- Today vs. normal: 3°F above the seasonal normal for this latitude
- Last frost: April 18 (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 — Rumson
SPC has placed Rumson 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 Rumson
- Jacob Riis Beach15.8 mi
- Rockaway Beach Beach17.6 mi
- Long Beach NY Beach24 mi
Each linked page shows live water temperature, wave height, swim and surf verdicts, tides, and rip-current risk from NDBC + NOAA + NWS data.