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.

Fair

64°F

18°C

Humidity 87%
Wind Speed SE 7 mph
Barometer 30.09 in (1018.8 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 2 Sep 11:56 pm EDT
Extended Forecast for

Yarmouth MA

  • Overnight

    Overnight: A chance of showers, mainly after 5am. Mostly cloudy, with a low around 64. Southeast wind around 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 64 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers and thunderstorms, mainly before 10am. Patchy fog. High near 78. South wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 78 °F

    Showers and
    Patchy Fog
    then Chance
    Showers and
    Patchy Fog

  • Thursday Night

    Thursday Night: A chance of showers, mainly before 7pm. Patchy fog between midnight and 5am. Otherwise, mostly cloudy, with a low around 65. Southwest wind 5 to 9 mph becoming light west after midnight. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    Showers then
    Patchy Fog

  • Friday

    Friday: A slight chance of showers after 2pm. Patchy fog between 8am and 9am. Otherwise, partly sunny, with a high near 77. Northwest wind around 6 mph. Chance of precipitation is 20%.

    High: 77 °F

    Patchy Fog
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers before 9pm. Partly cloudy, with a low around 65. Calm wind becoming northwest 5 to 7 mph after midnight. Chance of precipitation is 20%.

    Low: 65 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 71. North wind 9 to 13 mph, with gusts as high as 23 mph.

    High: 71 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 56. North wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 56 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 68. North wind 13 to 15 mph, with gusts as high as 28 mph.

    High: 68 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 55. Northwest wind 3 to 5 mph.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Overnight
A chance of showers, mainly after 5am. Mostly cloudy, with a low around 64. Southeast wind around 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Showers and thunderstorms, mainly before 10am. Patchy fog. High near 78. South wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
A chance of showers, mainly before 7pm. Patchy fog between midnight and 5am. Otherwise, mostly cloudy, with a low around 65. Southwest wind 5 to 9 mph becoming light west after midnight. Chance of precipitation is 30%.
Friday
A slight chance of showers after 2pm. Patchy fog between 8am and 9am. Otherwise, partly sunny, with a high near 77. Northwest wind around 6 mph. Chance of precipitation is 20%.
Friday Night
A slight chance of showers before 9pm. Partly cloudy, with a low around 65. Calm wind becoming northwest 5 to 7 mph after midnight. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 71. North wind 9 to 13 mph, with gusts as high as 23 mph.
Saturday Night
Partly cloudy, with a low around 56. North wind 8 to 10 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 68. North wind 13 to 15 mph, with gusts as high as 28 mph.
Sunday Night
Mostly clear, with a low around 55. Northwest wind 3 to 5 mph.
Labor Day
Sunny, with a high near 71. Northwest wind around 7 mph becoming northeast in the afternoon.
Monday Night
Partly cloudy, with a low around 57. West wind 3 to 5 mph.
Tuesday
Mostly sunny, with a high near 75. West wind 6 to 9 mph.
Tuesday Night
Partly cloudy, with a low around 62. West wind around 7 mph.
Wednesday
Mostly sunny, with a high near 73. Southwest wind around 10 mph, with gusts as high as 20 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Yarmouth MA
 41.69°N 70.22°W (Elev. 33 ft)
Last Update:
8:20 pm EDT Sep 2, 2026
Forecast Valid:
12am EDT Sep 3, 2026-6pm EDT Sep 9, 2026
 
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