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

Hyannis, Barnstable Municipal-Boardman Airport (KHYA)

Lat: 41.67°NLon: 70.27°WElev: 49ft.

Mostly Cloudy

66°F

19°C

Humidity 90%
Wind Speed SE 5 mph
Barometer 30.09 in (1019.0 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 13 Jul 6:56 pm EDT
Extended Forecast for

Dennis MA

  • Tonight

    Tonight: Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 66. Southeast wind around 6 mph becoming calm after midnight.

    Low: 66 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 79. Southeast wind 3 to 8 mph.

    High: 79 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: A slight chance of showers before 9pm, then a slight chance of thunderstorms after 5am. Patchy fog after 1am. Otherwise, increasing clouds, with a low around 70. Southwest wind around 6 mph. Chance of precipitation is 20%.

    Low: 70 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms and
    Patchy Fog

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and noon. Partly sunny, with a high near 82. Southwest wind 6 to 9 mph. Chance of precipitation is 20%.

    High: 82 °F

    Slight Chance
    T-storms then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 70. Southwest wind around 7 mph.

    Low: 70 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 84. Southwest wind 6 to 10 mph.

    High: 84 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 71. Southwest wind around 8 mph.

    Low: 71 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 84. Southwest wind 9 to 13 mph.

    High: 84 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 72. Southwest wind around 10 mph.

    Low: 72 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 66. Southeast wind around 6 mph becoming calm after midnight.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 79. Southeast wind 3 to 8 mph.
Monday Night
A slight chance of showers before 9pm, then a slight chance of thunderstorms after 5am. Patchy fog after 1am. Otherwise, increasing clouds, with a low around 70. Southwest wind around 6 mph. Chance of precipitation is 20%.
Tuesday
A slight chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and noon. Partly sunny, with a high near 82. Southwest wind 6 to 9 mph. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 70. Southwest wind around 7 mph.
Wednesday
Mostly sunny, with a high near 84. Southwest wind 6 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 71. Southwest wind around 8 mph.
Thursday
Partly sunny, with a high near 84. Southwest wind 9 to 13 mph.
Thursday Night
Mostly cloudy, with a low around 72. Southwest wind around 10 mph.
Friday
Mostly sunny, with a high near 86. Southwest wind 9 to 11 mph.
Friday Night
A chance of showers. Mostly cloudy, with a low around 70. Southwest wind around 8 mph. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 82. North wind 7 to 9 mph.
Saturday Night
Mostly cloudy, with a low around 68. South wind around 6 mph becoming northwest after midnight.
Sunday
Partly sunny, with a high near 80. North wind 6 to 9 mph becoming east in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Dennis MA
 41.74°N 70.21°W (Elev. 30 ft)
Last Update:
6:05 pm EDT Jul 13, 2025
Forecast Valid:
7pm EDT Jul 13, 2025-6pm EDT Jul 20, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation