Dorchester, New Jersey Weather
Fireflies rise from the lawn. Day 77 of spring. Read this microseason across nine climate regions →
Dorchester weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Overcast——85°52°—
- FridayJun 5Overcast——90°60°+5°
- SaturdayJun 6Overcast19%—92°63°+2°
- SundayJun 7Heavy Drizzle19%0.03″88°66°-4°
- MondayJun 8Overcast10%—79°54°-9°
- TuesdayJun 9Overcast——84°53°+5°
- WednesdayJun 10Mostly Clear11%—89°58°+5°
Ozone at AQI 93 — peak already passed at 1 PM under clear skies. AQI up 6 over the last 6 hours (gradual rise). 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 93 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 93
- UV peak
- 2.0 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 93
PM × Wind × Precip
PM2.5/PM10 ratio 0.69 with 9 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.69
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- transport
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
- 1:02 PM
- In sign
- ♒︎ Aquarius
Fireflies rise from the lawn
Dorchester at a glance
- Today vs. normal: 4°F above the seasonal normal for this latitude
- Last frost: April 12 (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 — Dorchester
SPC has placed Dorchester 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.