Official forecasts from the National Weather Service and supporting models point to mostly sunny conditions and highs near 80–81°F for New York City on August 25 under west-northwest flow following recent frontal passage. Light winds, low humidity, and only a 20% chance of afternoon showers limit convective cooling while allowing efficient daytime heating. Recent observations show highs stabilizing in the low-to-mid 80s after cooler mid-August readings, consistent with late-summer climatology. Trader consensus clusters on the 78–81°F range because ensemble guidance shows minimal spread around these values, with any upward bias from urban heat effects or slight model warming offset by the possibility of earlier cloud cover. Updated model runs and NWS briefings tomorrow morning represent the next key data points before market resolution.