Weather
Hyannis Weather Briefing: October 20, 2026
The National Weather Service outlook for this afternoon and the next forecast period in the Hyannis area.
This is a dated automated forecast briefing. For the latest conditions and forecast, check current weather and the official source below.
This automated briefing summarizes the National Weather Service forecast for the Hyannis area. It describes forecast conditions, not observations from a reporter.
This Afternoon: Partly Sunny. The forecast temperature is 58°F, with N winds at 21 mph. The forecast probability of precipitation is 0%.
Tonight: Partly Cloudy. The forecast temperature is 52°F, with NE winds at 20 mph. The forecast probability of precipitation is 0%.
The source forecast was updated October 20 at 12:57 PM EDT. Conditions can change and vary across Cape Cod. Check the linked National Weather Service forecast for updates before heading out.
Sources
Automated briefing from official forecast data. No on-site observations or human review are claimed.