Recent National Weather Service forecasts and ensemble means from GFS and ECMWF models project New York City highs near 55-57°F on April 6, reflecting trader sentiment in the closely matched leading outcomes, as lingering cool Canadian air masses hold temperatures below seasonal norms of around 58°F. Differentiating factors include model spread on cloud cover timing—potentially limiting afternoon solar heating to keep peaks at 54-55°F—or partial clearing allowing brief spikes to 56-57°F—along with subtle variations in upper-level trough progression affecting cold air advection. With genuine uncertainty in short-range guidance, watch for updated 00Z model runs and NWS advisories by midday April 5, which could refine the peak within 2-3°F margins before resolution at Central Park's official station.