Rainy and Cool in Boston Today, Sharp Cold Front Ahead
Boston is experiencing a damp and cool start to the weekend on September 20, 2026, with overcast skies and a high chance of rain throughout the day. The maximum temperature is forecast to reach 17°C (63°F), with a minimum of 13°C (55°F) and an average of 15°C (59°F). Humidity levels are expected to be around 71%, and wind speeds could reach up to 28.97 km/h (18 mph), adding to the chill. The chance of rain is high at 75%, with intermittent showers likely, particularly in the afternoon. Residents are advised to prepare for wet conditions and cooler-than-usual temperatures for late September. This weather marks the beginning of a significant shift, with a dramatic drop in temperatures expected in the coming days.
