National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Hyannis, Barnstable Municipal-Boardman Airport (KHYA)

Lat: 41.67°NLon: 70.27°WElev: 49ft.

Fair

74°F

23°C

Humidity 69%
Wind Speed S 7 mph
Barometer 30.14 in (1020.5 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 4 Aug 6:56 pm EDT
Extended Forecast for

South Dennis MA

  • Tonight

    Tonight: Mostly clear, with a low around 64. South wind around 5 mph becoming calm in the evening.

    Low: 64 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 81. Calm wind becoming northeast 5 to 8 mph in the morning.

    High: 81 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog between 10pm and 2am. Otherwise, mostly cloudy, with a low around 64. Northeast wind 3 to 6 mph.

    Low: 64 °F

    Patchy Fog

  • Wednesday

    Wednesday: Partly sunny, with a high near 78. Northeast wind 7 to 10 mph.

    High: 78 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 63. East wind 3 to 6 mph.

    Low: 63 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 79. Northeast wind 6 to 8 mph.

    High: 79 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62. Southeast wind around 5 mph becoming calm in the evening.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 80. Southeast wind 5 to 9 mph.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 64. South wind 3 to 6 mph.

    Low: 64 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 64. South wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 81. Calm wind becoming northeast 5 to 8 mph in the morning.
Tuesday Night
Patchy fog between 10pm and 2am. Otherwise, mostly cloudy, with a low around 64. Northeast wind 3 to 6 mph.
Wednesday
Partly sunny, with a high near 78. Northeast wind 7 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 63. East wind 3 to 6 mph.
Thursday
Mostly sunny, with a high near 79. Northeast wind 6 to 8 mph.
Thursday Night
Mostly clear, with a low around 62. Southeast wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 80. Southeast wind 5 to 9 mph.
Friday Night
Mostly clear, with a low around 64. South wind 3 to 6 mph.
Saturday
Sunny, with a high near 81. South wind 5 to 8 mph.
Saturday Night
Mostly clear, with a low around 66. Southwest wind around 6 mph.
Sunday
Sunny, with a high near 83. Southwest wind 6 to 9 mph.
Sunday Night
Partly cloudy, with a low around 68. Southwest wind around 7 mph.
Monday
Mostly sunny, with a high near 84. Southwest wind 6 to 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
South Dennis MA
 41.71°N 70.16°W (Elev. 49 ft)
Last Update:
2:06 pm EDT Aug 4, 2025
Forecast Valid:
7pm EDT Aug 4, 2025-6pm EDT Aug 11, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation