Hazardous Weather Conditions
Current conditions at
Hyannis, Barnstable Municipal-Boardman Airport (KHYA)
Lat: 41.67°NLon: 70.27°WElev: 49ft.
Fair
84°F
29°C
| Humidity | 70% |
| Wind Speed | SW 13 mph |
| Barometer | 29.90 in (1012.5 mb) |
| Dewpoint | 73°F (23°C) |
| Visibility | 10.00 mi |
| Heat Index | 90°F (32°C) |
| Last update | 2 Jul 3:56 pm EDT |
Extended Forecast for
Barnstable MA
Heat Advisory July 2, 04:29pm until July 4, 08:00pm
NOW until 8:00pm Sat

Heat Advisory
Tonight

Low: 75 °F
Mostly Clear
Friday

High: 95 °F
Hot
Friday Night

Low: 76 °F
Mostly Clear
Independence Day
High: 92 °F
Sunny then
Showers
LikelySaturday Night
Low: 72 °F
Chance
Showers then
Partly CloudySunday

High: 88 °F
Mostly Sunny
Sunday Night

Low: 69 °F
Partly Cloudy
Monday

High: 82 °F
Partly Sunny
Detailed Forecast
Tonight
Mostly clear, with a low around 75. Southwest wind 6 to 13 mph.
Friday
Sunny and hot, with a high near 95. Heat index values as high as 107. Southwest wind 6 to 8 mph.
Friday Night
Mostly clear, with a low around 76. West wind 5 to 7 mph.
Independence Day
A chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Increasing clouds and hot, with a high near 92. Heat index values as high as 99. West wind 5 to 8 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and midnight. Partly cloudy, with a low around 72. Calm wind becoming northwest around 5 mph after midnight. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 88. North wind 5 to 7 mph.
Sunday Night
Partly cloudy, with a low around 69. Light south wind.
Monday
Partly sunny, with a high near 82. Southeast wind 3 to 8 mph.
Monday Night
A chance of showers. Mostly cloudy, with a low around 67. Southeast wind around 6 mph. Chance of precipitation is 40%.
Tuesday
A chance of showers before 4pm. Partly sunny, with a high near 79. East wind 7 to 11 mph. Chance of precipitation is 40%.
Tuesday Night
Partly cloudy, with a low around 67. East wind 5 to 7 mph.
Wednesday
Mostly sunny, with a high near 81. Northeast wind 6 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 68. Southeast wind around 6 mph becoming light and variable in the evening.
Thursday
Mostly sunny, with a high near 85. South wind 5 to 8 mph.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Barnstable MA
41.71°N 70.31°W (Elev. 16 ft)
41.71°N 70.31°W (Elev. 16 ft)
2:49 pm EDT Jul 2, 2026
4pm EDT Jul 2, 2026-6pm EDT Jul 9, 2026



