New Jersey is in for a volatile start to the week, as two rounds of strong thunderstorms and heavy rainfall are set to move through the Garden State just before Independence Day. According to the National Weather Service, the pattern begins on Monday afternoon and continues into Tuesday night, bringing the potential for damaging winds, intense downpours, hail, and localized flash flooding.
North Jersey weather outlook: Monday through Thursday
Monday will be partly sunny, with temperatures peaking near 89°F (32°C). A few scattered thunderstorms may develop after 3 p.m., although the chance of rain stays relatively low at 20%.
Monday night, storms become more likely, especially after 2 a.m., when the first round of heavier precipitation is expected. Lows dip to around 73°F (23°C) with humid air and light southwest winds.
Tuesday brings the main threat of severe weather. A high near 87°F (31°C) combined with a very moist atmosphere will fuel frequent thunderstorms, especially in the afternoon and evening. Winds will pick up from the southwest at 10 to 15 mph, and there’s a 90% chance of precipitation. Wind gusts up to 60 mph, small hail, and heavy rain could accompany storms.
Tuesday night, thunderstorms linger before gradually weakening after midnight. Expect a low of 70°F (21°C) under mostly cloudy skies, with an 80% chance of rain.
By Wednesday, drier and cooler air arrives, with mostly sunny skies and a high of 85°F (29°C). Nighttime temperatures fall to 67°F (19°C).
Thursday could bring a brief return of rain, especially in northern areas, but skies will stay mostly sunny with highs near 85°F (29°C). Any lingering showers should move out before sunset.
Independence Day on Friday looks sunny and cooler, with a high near 80°F (27°C) and low humidity—perfect for holiday celebrations.
Central Jersey forecast: Heat, storms, and relief
Monday afternoon brings a 50% chance of scattered showers and storms, with humid air and a high of 88°F (31°C). Winds remain light but turn southerly as the day progresses.
Monday night, storms may return after 8 p.m., with moderate cloud cover and a low of 73°F (23°C).
Tuesday will be stormy, with a high near 90°F (32°C) and a strong risk of thunderstorms in the afternoon and evening. Southwest winds increase to 15 mph, and the 80% chance of rain includes the possibility of gusty winds and heavy rainfall.
Tuesday night will be stormy early, then transitioning to cloudy skies with scattered showers. Expect a low of 71°F (22°C).
By Wednesday, conditions start to improve. There’s a slight chance of morning showers, but the rest of the day should be partly sunny, with a high near 86°F (30°C) and a light west wind.
Thursday will be sunny and warm, with a high near 88°F (31°C). Overnight skies remain mostly clear, with temperatures falling to 65°F (18°C).
Friday’s holiday forecast remains ideal, with sunshine and a comfortable high of 82°F (28°C).
South Jersey weather: Heat advisory, then multiple storms
South Jersey starts the week under a heat advisory for Burlington, Mercer, Camden, and Gloucester counties, in effect until 8 p.m. Monday, as heat index values approach 99°F (37°C).
Monday brings a 60% chance of afternoon storms, particularly between 2 p.m. and 4 p.m., with a high near 90°F (32°C) and increasing humidity.
Monday night, isolated storms are possible toward early morning, with mostly cloudy skies and a low around 75°F (24°C).
Tuesday will be very warm and stormy, with a high of 91°F (33°C). Thunderstorms are likely from early afternoon through evening, and rainfall could total up to three-quarters of an inch in heavier downpours.
Tuesday night, showers and storms remain active into the early morning hours, with a low near 71°F (22°C). Rain chances remain at 80%, and winds shift westward.
By Wednesday, skies begin to clear. There’s a 30% chance of rain before 2 p.m., but overall, the day should trend drier with a high of 87°F (31°C).
Thursday turns sunny and warm, with a high around 88°F (31°C) and a low near 66°F (19°C) under clear skies.
Friday’s Independence Day forecast stays favorable, with bright sunshine and a high close to 84°F (29°C), accompanied by moderate humidity.
