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.

Overcast

71°F

22°C

Humidity 87%
Wind Speed S 12 mph
Barometer 29.86 in (1011.3 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 17 Aug 1:56 pm EDT
Extended Forecast for

Dennis MASimilar City Names

  • This Afternoon

    This Afternoon: Showers likely. Patchy fog. Otherwise, cloudy, with a high near 75. South wind around 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 75 °F

    Showers
    Likely and
    Patchy Fog

  • Tonight

    Tonight: A chance of showers, mainly before 9pm. Patchy fog. Otherwise, cloudy, with a low around 69. Southeast wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 69 °F

    Chance
    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 72. North wind 6 to 8 mph.

    High: 72 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Tuesday Night

    Tuesday Night: Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Mostly sunny, with a high near 82. Light and variable wind becoming south 5 to 7 mph in the afternoon.

    High: 82 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 71. Southwest wind 6 to 8 mph.

    Low: 71 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 81. Southwest wind around 6 mph.

    High: 81 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of showers. Mostly cloudy, with a low around 68. South wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 40%.

    Low: 68 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers. Partly sunny, with a high near 76. Northeast wind around 7 mph. Chance of precipitation is 30%.

    High: 76 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Showers likely. Patchy fog. Otherwise, cloudy, with a high near 75. South wind around 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A chance of showers, mainly before 9pm. Patchy fog. Otherwise, cloudy, with a low around 69. Southeast wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 72. North wind 6 to 8 mph.
Tuesday Night
Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 68. Calm wind.
Wednesday
Mostly sunny, with a high near 82. Light and variable wind becoming south 5 to 7 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 71. Southwest wind 6 to 8 mph.
Thursday
Mostly sunny, with a high near 81. Southwest wind around 6 mph.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 68. South wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 40%.
Friday
A chance of showers. Partly sunny, with a high near 76. Northeast wind around 7 mph. Chance of precipitation is 30%.
Friday Night
A chance of showers between 1am and 2am. Mostly cloudy, with a low around 67. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Saturday
A chance of showers. Mostly cloudy, with a high near 76. East wind 6 to 8 mph. Chance of precipitation is 50%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 68. Southeast wind around 6 mph. Chance of precipitation is 40%.
Sunday
A chance of showers. Partly sunny, with a high near 79. Southeast wind 7 to 9 mph. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
Dennis MASimilar City Names
 41.74°N 70.21°W (Elev. 30 ft)
Last Update:
1:49 pm EDT Aug 17, 2026
Forecast Valid:
2pm EDT Aug 17, 2026-6pm EDT Aug 23, 2026
 
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