Lake Hopatcong, New Jersey Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Lake Hopatcong weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Heavy Rain64%0.48″83°68°—
- MondayJul 6Rain91%0.45″72°66°-11°
- TuesdayJul 7Drizzle81%0.04″66°60°-6°
- WednesdayJul 8Overcast21%—77°59°+11°
- ThursdayJul 9Light Drizzle22%—78°59°+1°
- FridayJul 10Light Drizzle42%—80°61°+2°
- SaturdayJul 11Overcast19%—81°55°+1°
AQI 32 (Good), driven by Ozone. AQI down 21 over the last 6 hours — air quality is improving sharply. Ozone at AQI 36. Overcast through the UV peak window (cloud cover ~77%) — afternoon ozone should stay flat.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 3 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 36. Overcast through the UV peak window (cloud cover ~77%) — afternoon ozone should stay flat.
- Present
- AQI 36
- UV peak
- 3.3 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 8
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
- 11:07 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Lake Hopatcong at a glance
- Today vs. normal: 69°F — typical for the season
- 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: 07849
15-Day Forecast — Lake Hopatcong
- Sun83°68°64%
- Mon72°66°91%
- Tue66°60°81%
- Wed77°59°21%
- Thu78°59°22%
- Fri80°61°42%
- Sat81°55°19%
- Sun78°58°26%
- Mon71°57°20%
- Tue82°57°14%
- Wed82°59°16%
- Thu86°61°39%
- Fri74°64°26%
- Sat78°62°42%
- Sun87°64°37%
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 — Lake Hopatcong
SPC has placed Lake Hopatcong in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
Isolated severe storms possible. Limited threat for hail or damaging wind.
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 Lake Hopatcong
- 07849
- 07885