Northfield, New Jersey Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Northfield weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast——102°78°—
- SundayJul 5Overcast19%—90°74°-12°
- MondayJul 6Light Showers81%0.01″81°72°-9°
- TuesdayJul 7Light Showers81%—74°69°-7°
- WednesdayJul 8Overcast37%—77°66°+3°
- ThursdayJul 9Overcast——83°65°+6°
- FridayJul 10Light Drizzle33%—95°72°+12°
AQI 166 (Unhealthy), driven by Ozone. AQI up 32 in the last 6 hours — air quality is degrading. Ozone at AQI 88. Overcast through the UV peak window (cloud cover ~97%) — afternoon ozone should stay flat.
LIMIT OUTDOORS Limit prolonged outdoor exertion. Sensitive groups should avoid outdoor exertion. Consider rescheduling outdoor activities until AQI improves.
What's driving it
Ozone × UV × Sky
Ozone at AQI 88. Overcast through the UV peak window (cloud cover ~97%) — afternoon ozone should stay flat.
- Present
- AQI 88
- UV peak
- 0.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 11
PM × Wind × Precip
PM2.5 at 10.5 µg/m³, PM10 at 12.6 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.83
- 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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:14 PM
- Moonset
- 11:08 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Northfield at a glance
- Today vs. normal: 13°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: 08225
16-Day Forecast — Northfield
- Sat102°78°6%
- Sun90°73°19%
- Mon81°72°81%
- Tue74°69°81%
- Wed77°66°37%
- Thu83°65°9%
- Fri95°72°33%
- Sat81°65°36%
- Sun78°65°20%
- Mon81°62°15%
- Tue81°62°14%
- Wed87°67°31%
- Thu83°68°35%
- Fri82°68°29%
- Sat82°71°29%
- Sun93°75°35%
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 — Northfield
SPC has placed Northfield in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWSLGTSlight 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.
ZIP codes in Northfield
- 08225