Hopatcong, New Jersey Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Hopatcong weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Heavy Showers63%1.3″79°67°—
- MondayJul 6Heavy Rain91%1.1″71°60°-8°
- TuesdayJul 7Heavy Drizzle76%0.05″65°59°-6°
- WednesdayJul 8Overcast20%—79°58°+14°
- ThursdayJul 9Light Drizzle27%—84°59°+5°
- FridayJul 10Drizzle51%0.08″85°65°+1°
- SaturdayJul 11Overcast27%—84°58°-1°
AQI 43 (Good), driven by PM2.5. AQI down 41 over the last 6 hours — air quality is improving sharply. PM scrubbed by 2 hours of recent rain — PM2.5 down to 5.7 µg/m³, PM10 to 5.8 µg/m³.
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 31. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 31
- UV peak
- 3.3 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 7
PM × Wind × Precip
PM scrubbed by 2 hours of recent rain — PM2.5 down to 5.7 µg/m³, PM10 to 5.8 µg/m³.
- PM2.5/PM10
- 0.98
- Wind
- light
- Recent rain
- 2h in last 6h
- Pattern
- washed out
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
- 11:08 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Hopatcong at a glance
- Today vs. normal: 3°F below the seasonal normal for this latitude
- Last frost: April 22 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 07843
15-Day Forecast — Hopatcong
- Sun79°67°63%
- Mon71°60°91%
- Tue65°59°76%
- Wed79°58°20%
- Thu84°59°27%
- Fri85°65°51%
- Sat84°58°27%
- Sun78°58°23%
- Mon81°54°19%
- Tue84°57°20%
- Wed76°62°42%
- Thu83°58°39%
- Fri84°57°30%
- Sat80°62°31%
- Sun88°68°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 — Hopatcong
SPC has placed Hopatcong 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 Hopatcong
- 07874
- 07821
- 07843
- 07837