What's Las Vegas weather like right now? Check out our reading of current conditions below. In general, if you plan on being outdoors in the Las Vegas area for any length of time, then two months to avoid are July and August: it gets hot, very hot. Having said that, most of the remainder of the year is pretty nice. Daytime in the winter months is a positively balmy 60-70 degrees, although it does cool down considerably at night. The best times to visit the city are in the spring and fall. See our Las Vegas weather map below to see what is predicted for the next two weeks as well.