Madison, New Jersey Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Madison weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Heavy Showers64%2.7″86°73°—
- MondayJul 6Heavy Rain93%0.77″73°65°-13°
- TuesdayJul 7Drizzle80%0.04″68°62°-5°
- WednesdayJul 8Overcast30%—81°62°+13°
- ThursdayJul 9Light Drizzle18%—87°64°+6°
- FridayJul 10Light Drizzle46%—90°70°+3°
- SaturdayJul 11Overcast28%—88°67°-2°
AQI 45 (Good), driven by PM2.5. AQI down 52 over the last 6 hours — air quality is improving sharply. PM2.5 at 6.0 µg/m³, PM10 at 6.2 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 33. Overcast through the UV peak window (cloud cover ~80%) — afternoon ozone should stay flat.
- Present
- AQI 33
- UV peak
- 3.3 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 7
PM × Wind × Precip
PM2.5 at 6.0 µg/m³, PM10 at 6.2 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.97
- Wind
- light
- Recent rain
- 1h 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
- 11:15 PM
- Moonset
- 11:07 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Madison at a glance
- Today vs. normal: 3°F above the seasonal normal for this latitude
- Last frost: April 21 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 07940
15-Day Forecast — Madison
- Sun86°73°64%
- Mon73°65°93%
- Tue68°62°80%
- Wed81°62°30%
- Thu87°64°18%
- Fri90°70°46%
- Sat88°67°28%
- Sun81°63°22%
- Mon86°63°16%
- Tue89°65°19%
- Wed88°68°42%
- Thu89°69°39%
- Fri85°68°30%
- Sat83°68°31%
- Sun93°73°48%
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 — Madison
SPC has placed Madison in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWMRGLMarginal 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 Madison
- 07940