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.

Overcast

67°F

19°C

Humidity 97%
Wind Speed Calm
Barometer 30.10 in (1019.3 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 14 Jul 12:56 am EDT
Extended Forecast for

Hyannis Port MA

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly cloudy, with a low around 66. Light southeast wind.

    Low: 66 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 7am. Otherwise, partly sunny, with a high near 77. Southeast wind 3 to 8 mph.

    High: 77 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: A slight chance of showers before 9pm, then a slight chance of thunderstorms after 5am. Patchy fog after 2am. Otherwise, increasing clouds, with a low around 70. Southwest wind around 7 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. Mostly cloudy, with a high near 80. Southwest wind 7 to 10 mph. Chance of precipitation is 20%.

    High: 80 °F

    Slight Chance
    T-storms then
    Partly Sunny

  • Tuesday Night

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

    Low: 70 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 82. Southwest wind 6 to 10 mph.

    High: 82 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 72. Southwest wind around 9 mph.

    Low: 72 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 82. Southwest wind 9 to 13 mph.

    High: 82 °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

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 66. Light southeast wind.
Monday
Patchy fog before 7am. Otherwise, partly sunny, with a high near 77. 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 2am. Otherwise, increasing clouds, with a low around 70. Southwest wind around 7 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. Mostly cloudy, with a high near 80. Southwest wind 7 to 10 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 70. Southwest wind around 7 mph.
Wednesday
Partly sunny, with a high near 82. Southwest wind 6 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 72. Southwest wind around 9 mph.
Thursday
Partly sunny, with a high near 82. 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 84. 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 81. North wind 7 to 10 mph becoming northeast in the afternoon.
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 79. North wind 6 to 9 mph becoming southeast in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hyannis Port MA
 41.64°N 70.29°W (Elev. 10 ft)
Last Update:
6:05 pm EDT Jul 13, 2025
Forecast Valid:
1am EDT Jul 14, 2025-6pm EDT Jul 20, 2025
 
Forecast Discussion
 
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Additional Resources

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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