South Dennis, New Jersey Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
South Dennis weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Light Drizzle33%0.01″92°75°—
- MondayJul 6Light Drizzle64%0.02″84°74°-8°
- TuesdayJul 7Heavy Showers57%0.17″82°68°-2°
- WednesdayJul 8Overcast31%—76°66°-6°
- ThursdayJul 9Showers19%0.04″84°66°+8°
- FridayJul 10Overcast26%—88°68°+4°
- SaturdayJul 11Light Drizzle21%—84°71°-4°
AQI 58 (Moderate), driven by PM2.5. AQI down 59 over the last 6 hours — air quality is improving sharply. PM2.5 at 14.8 µg/m³, PM10 at 18.0 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 43 now. With UV 4.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 25 around 1 PM.
- Present
- AQI 43
- UV peak
- 4.3 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 25
PM × Wind × Precip
PM2.5 at 14.8 µg/m³, PM10 at 18.0 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.82
- 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
- 11:15 PM
- Moonset
- 11:09 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
South Dennis at a glance
- Today vs. normal: 7°F above the seasonal normal for this latitude
- Last frost: April 11 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 08245
16-Day Forecast — South Dennis
- Sun92°75°33%
- Mon84°74°64%
- Tue82°68°57%
- Wed76°66°31%
- Thu84°66°19%
- Fri88°68°26%
- Sat84°71°21%
- Sun79°68°20%
- Mon80°63°20%
- Tue87°68°20%
- Wed87°68°11%
- Thu83°63°33%
- Fri84°63°33%
- Sat90°72°32%
- Sun84°76°34%
- Mon89°73°43%
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 — South Dennis
SPC has placed South Dennis 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 South Dennis
- 08245
- 08210