NJ weather this week: From warm to practically hot, mainly dry Do you like warm temperatures and low humidity? Then you’re going to love this week’s forecast, with 80s (at least) on the way. We do have to keep fire danger and spiralling drought conditions in mind, as we look ahead to mainly dry, warming weather. Our next chance of soaking rain probably won’t show up until next weekend, at the earliest. Get our free mobile app Monday Temperatures will be very similar to Sunday, with a brighter sky and lower rain chances. We’re kicking off the new workweek with temperatures in the 40s. On the edge of “jacket weather,” especially since thermometers will shoot up quickly around 8-9 a.m. We’ll top out in the lower to mid 70s Monday afternoon, as early sunshine leads to clouds building later. That’s very close to normal for mid-May.