Current conditions at
Hyannis, Barnstable Municipal-Boardman Airport (KHYA)
Lat: 41.67°NLon: 70.27°WElev: 49ft.
Fair
77°F
25°C
| Humidity | 79% |
| Wind Speed | SW 20 G 31 mph |
| Barometer | 29.81 in (1009.6 mb) |
| Dewpoint | 70°F (21°C) |
| Visibility | 10.00 mi |
| Heat Index | 79°F (26°C) |
| Last update | 9 Jul 5:56 pm EDT |
Extended Forecast for
South Dennis MA
Tonight
Low: 71 °F
Mostly Cloudy
then Chance
Showers and
Patchy FogFriday
High: 89 °F
Patchy Fog
then Slight
Chance
T-stormsFriday Night
Low: 69 °F
Mostly Cloudy
then Chance
ShowersSaturday
High: 75 °F
Slight Chance
ShowersSaturday Night
Low: 64 °F
Partly Cloudy
Sunday
High: 73 °F
Sunny
Sunday Night
Low: 66 °F
Mostly Clear
Monday
High: 81 °F
Sunny
Monday Night
Low: 68 °F
Mostly Clear
Detailed Forecast
Tonight
A chance of showers after 3am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 71. Southwest wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A slight chance of showers before 4pm, then a slight chance of showers and thunderstorms between 4pm and 5pm. Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 89. Heat index values as high as 96. Southwest wind around 6 mph becoming northwest in the afternoon. Chance of precipitation is 20%.
Friday Night
A chance of showers, mainly between midnight and 4am. Mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A slight chance of showers between 10am and 1pm. Partly sunny, with a high near 75. Northeast wind 5 to 8 mph. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 64. Light north wind.
Sunday
Sunny, with a high near 73. Northeast wind 6 to 8 mph.
Sunday Night
Mostly clear, with a low around 66. Calm wind.
Monday
Sunny, with a high near 81. Calm wind becoming south 5 to 9 mph in the morning.
Monday Night
Mostly clear, with a low around 68. Southwest wind around 7 mph.
Tuesday
Sunny, with a high near 85. Southwest wind 9 to 14 mph, with gusts as high as 24 mph.
Tuesday Night
Partly cloudy, with a low around 71. Southwest wind around 11 mph, with gusts as high as 22 mph.
Wednesday
Mostly sunny, with a high near 88. Southwest wind 10 to 14 mph, with gusts as high as 24 mph.
Wednesday Night
Partly cloudy, with a low around 71. West wind 6 to 10 mph.
Thursday
Mostly sunny, with a high near 87. West wind 6 to 8 mph becoming south in the afternoon.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
South Dennis MA
41.69°N 70.16°W (Elev. 7 ft)
41.69°N 70.16°W (Elev. 7 ft)
2:30 pm EDT Jul 9, 2026
5pm EDT Jul 9, 2026-6pm EDT Jul 16, 2026
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