It's really not going to feel like the first week of autumn, with warm temperatures near 80 degrees and pretty steamy air. Get our free mobile appTuesday NJ weather: Warm and humid, thunderstorms eventuallyIt is the first full day of fall. It is going to feel like sultry summertime, with warm temperatures and moderate to high humidity. Wednesday NJ weather: Clouds and spotty showersWednesday's forecast reads like an unsettled weather day overall. Friday NJ weather: Very slow improvementsFriday will be the final day of this unsettled weather sequence, although the drying and clearing trend will be a very slow one.