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

61°F

16°C

Humidity 87%
Wind Speed Calm
Barometer 30.04 in (1017.3 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 18 Sep 7:56 pm EDT
Extended Forecast for

2 Miles S South Yarmouth MA

  • Tonight

    Tonight: Partly cloudy, with a low around 54. Light north wind increasing to 9 to 14 mph in the evening. Winds could gust as high as 26 mph.

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 64. Northeast wind 8 to 11 mph, with gusts as high as 24 mph.

    High: 64 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 44. Southeast wind 3 to 5 mph.

    Low: 44 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers after 2pm. Mostly cloudy, with a high near 67. Southeast wind 7 to 10 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 67 °F

    Partly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Showers. Low around 58. Southeast wind around 8 mph. Chance of precipitation is 90%.

    Low: 58 °F

    Showers

  • Monday

    Monday: Showers likely, mainly before 8am. Partly sunny, with a high near 66. Northeast wind 14 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.

    High: 66 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 56. Northeast wind 13 to 16 mph.

    Low: 56 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 64. Northeast wind around 18 mph, with gusts as high as 28 mph.

    High: 64 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 56. Breezy, with a northeast wind around 21 mph.

    Low: 56 °F

    Mostly Cloudy
    and Breezy

Detailed Forecast

Tonight
Partly cloudy, with a low around 54. Light north wind increasing to 9 to 14 mph in the evening. Winds could gust as high as 26 mph.
Saturday
Mostly sunny, with a high near 64. Northeast wind 8 to 11 mph, with gusts as high as 24 mph.
Saturday Night
Partly cloudy, with a low around 44. Southeast wind 3 to 5 mph.
Sunday
A chance of showers after 2pm. Mostly cloudy, with a high near 67. Southeast wind 7 to 10 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Showers. Low around 58. Southeast wind around 8 mph. Chance of precipitation is 90%.
Monday
Showers likely, mainly before 8am. Partly sunny, with a high near 66. Northeast wind 14 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.
Monday Night
Mostly cloudy, with a low around 56. Northeast wind 13 to 16 mph.
Tuesday
Mostly cloudy, with a high near 64. Northeast wind around 18 mph, with gusts as high as 28 mph.
Tuesday Night
Mostly cloudy, with a low around 56. Breezy, with a northeast wind around 21 mph.
Wednesday
Partly sunny, with a high near 63. Breezy, with a northeast wind around 22 mph, with gusts as high as 34 mph.
Wednesday Night
Mostly cloudy, with a low around 56. Breezy, with a northeast wind 23 to 25 mph.
Thursday
A chance of showers. Partly sunny, with a high near 63. Breezy, with a northeast wind 22 to 24 mph, with gusts as high as 34 mph. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 56. Breezy, with a northeast wind 20 to 23 mph. Chance of precipitation is 40%.
Friday
A chance of showers. Mostly cloudy, with a high near 65. Breezy, with a north wind around 21 mph. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S South Yarmouth MA
 41.65°N 70.2°W (Elev. 10 ft)
Last Update:
2:31 pm EDT Sep 18, 2026
Forecast Valid:
8pm EDT Sep 18, 2026-6pm EDT Sep 25, 2026
 
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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