Hazardous Weather Conditions
Current conditions at
Hyannis, Barnstable Municipal-Boardman Airport (KHYA)
Lat: 41.67°NLon: 70.27°WElev: 49ft.
Fair
79°F
26°C
| Humidity | 74% |
| Wind Speed | W 7 mph |
| Barometer | 29.86 in (1011.1 mb) |
| Dewpoint | 70°F (21°C) |
| Visibility | 10.00 mi |
| Heat Index | 82°F (28°C) |
| Last update | 3 Jul 4:56 am EDT |
Extended Forecast for
Hyannis Port MA
Heat Advisory July 3, 05:26am until July 4, 08:00pm
NOW until 8:00pm Sat

Heat Advisory
Today

High: 94 °F
Hot
Tonight

Low: 73 °F
Scattered
T-stormsIndependence Day

High: 92 °F
Scattered
T-stormsSaturday Night

Low: 67 °F
Scattered
T-stormsSunday

High: 81 °F
Mostly Sunny
Sunday Night
Low: 60 °F
Mostly Cloudy
then Slight
Chance
ShowersMonday

High: 74 °F
Chance
ShowersMonday Night

Low: 65 °F
Showers
Likely
Detailed Forecast
Today
Sunny and hot, with a high near 94. Heat index values as high as 101. West wind 6 to 13 mph.
Tonight
Scattered showers and thunderstorms, mainly before 4am. Partly cloudy, with a low around 73. Southwest wind 6 to 9 mph. Chance of precipitation is 40%.
Independence Day
Isolated showers and thunderstorms before 10am, then scattered showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92. West wind around 9 mph. Chance of precipitation is 30%.
Saturday Night
Scattered showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 67. West wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 40%.
Sunday
Mostly sunny, with a high near 81. North wind around 6 mph becoming south in the afternoon.
Sunday Night
A slight chance of showers after 2am. Mostly cloudy, with a low around 60. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Monday
A chance of showers after 9am. Partly sunny, with a high near 74. Southeast wind 5 to 9 mph. Chance of precipitation is 30%.
Monday Night
A chance of showers before 2am, then a chance of showers and thunderstorms between 2am and 4am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 65. Southeast wind around 9 mph. Chance of precipitation is 60%.
Tuesday
Showers likely and possibly a thunderstorm before 7am, then a chance of showers and thunderstorms between 7am and 2pm, then a chance of showers after 2pm. Partly sunny, with a high near 76. East wind 10 to 13 mph. Chance of precipitation is 60%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 65. Northeast wind 8 to 10 mph. Chance of precipitation is 30%.
Wednesday
A chance of showers. Mostly sunny, with a high near 77. Northeast wind around 9 mph. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 65. Southwest wind around 6 mph.
Thursday
Mostly sunny, with a high near 81. Southwest wind 5 to 9 mph.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Hyannis Port MA
41.64°N 70.29°W (Elev. 10 ft)
41.64°N 70.29°W (Elev. 10 ft)
3:11 am EDT Jul 3, 2026
5am EDT Jul 3, 2026-6pm EDT Jul 9, 2026



