Dorchester, New Jersey Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Dorchester weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Light Drizzle36%0.02″94°75°—
- MondayJul 6Showers66%0.16″88°72°-6°
- TuesdayJul 7Showers68%0.04″79°69°-9°
- WednesdayJul 8Overcast31%—76°66°-3°
- ThursdayJul 9Overcast17%—85°63°+9°
- FridayJul 10Light Drizzle30%—88°71°+3°
- SaturdayJul 11Overcast30%—85°65°-3°
AQI 90 (Moderate), driven by PM2.5. AQI down 94 over the last 6 hours — air quality is improving sharply. PM2.5 at 9.1 µg/m³, PM10 at 9.9 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 44 now. With UV 3.3 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 14 around 1 PM.
- Present
- AQI 44
- UV peak
- 3.3 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 14
PM × Wind × Precip
PM2.5 at 9.1 µg/m³, PM10 at 9.9 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.92
- Wind
- light
- 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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:16 PM
- Moonset
- 11:09 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
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: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 08316
15-Day Forecast — Dorchester
- Sun94°75°36%
- Mon88°72°66%
- Tue79°69°68%
- Wed76°66°31%
- Thu85°63°17%
- Fri88°71°30%
- Sat85°65°30%
- Sun81°64°18%
- Mon78°67°12%
- Tue83°64°12%
- Wed84°65°27%
- Thu88°69°32%
- Fri87°71°29%
- Sat84°70°35%
- Sun90°70°42%
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 — Dorchester
SPC has placed Dorchester in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWTSTMGeneral Thunderstorms
- 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.
ZIP codes in Dorchester
- 08327
- 08316