Two weather headlines for NJ this week: Big cooldown, angry ocean Dan Zarrow Published: September 29, 2025 A colorful sky to begin another warm September day in New Jersey. (Dan Zarrow, Townsquare Media)

There are really just two things going on in New Jersey's weather world, in what will otherwise be a mainly dry and quiet week. The first is an upcoming temperature transition, just as we turn the calendar page from September to October. Monday and Tuesday will stay pleasantly warm. Then much cooler air arrives — both Wednesday and Thursday are going to feel quite autumnal.

Meanwhile, the forecast has become clear for Major Hurricane Humberto and Tropical Storm Imelda, which are both steering away from the U.S. mainland. Aside from increased cloud cover and a few sprinkles tonight

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