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

Autumn Temperatures for Eastern Third of the Country; Developing Offshore Coastal Storm

Cooler and less humid conditions for most of the eastern third of the nation as high pressure dominates the weather pattern. Otherwise, rather tranquil weather for most of the nation for the end of the weekend into the start of this week. We continue to monitor a developing coastal storm offshore of the Carolinas; Coastal flooding and beach erosion possible along portions of the Mid-Atlantic. Read More >

Current conditions at

Hyannis, Barnstable Municipal-Boardman Airport (KHYA)

Lat: 41.67°NLon: 70.27°WElev: 49ft.

Fair

52°F

11°C

Humidity 50%
Wind Speed N 9 mph
Barometer 30.54 in (1034.2 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 18 Oct 2:56 pm EDT
Extended Forecast for

Hyannis Port MA

  • Tonight

    Tonight: Clear, with a low around 42. East wind around 6 mph.

    Low: 42 °F

    Clear

  • Monday

    Monday: Increasing clouds, with a high near 58. Northeast wind 9 to 13 mph.

    High: 58 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 51. Northeast wind 13 to 17 mph, with gusts as high as 28 mph.

    Low: 51 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 58. Breezy, with a north wind 18 to 20 mph, with gusts as high as 31 mph.

    High: 58 °F

    Mostly Cloudy
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 51. Breezy, with a northeast wind around 21 mph, with gusts as high as 32 mph.

    Low: 51 °F

    Mostly Cloudy
    and Breezy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 56. Breezy, with a northeast wind around 21 mph, with gusts as high as 33 mph.

    High: 56 °F

    Mostly Cloudy
    and Breezy

  • Wednesday Night

    Wednesday Night: A chance of showers after 9pm. Mostly cloudy, with a low around 49. Breezy, with a north wind 18 to 21 mph. Chance of precipitation is 40%.

    Low: 49 °F

    Chance
    Showers and
    Breezy

  • Thursday

    Thursday: A chance of showers before noon. Partly sunny, with a high near 57. Breezy, with a north wind 18 to 20 mph. Chance of precipitation is 30%.

    High: 57 °F

    Breezy.
    Chance
    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 48. Breezy, with a north wind 11 to 16 mph increasing to 17 to 22 mph after midnight.

    Low: 48 °F

    Partly Cloudy
    then Partly
    Cloudy and
    Breezy

Detailed Forecast

Tonight
Clear, with a low around 42. East wind around 6 mph.
Monday
Increasing clouds, with a high near 58. Northeast wind 9 to 13 mph.
Monday Night
Mostly cloudy, with a low around 51. Northeast wind 13 to 17 mph, with gusts as high as 28 mph.
Tuesday
Mostly cloudy, with a high near 58. Breezy, with a north wind 18 to 20 mph, with gusts as high as 31 mph.
Tuesday Night
Mostly cloudy, with a low around 51. Breezy, with a northeast wind around 21 mph, with gusts as high as 32 mph.
Wednesday
Mostly cloudy, with a high near 56. Breezy, with a northeast wind around 21 mph, with gusts as high as 33 mph.
Wednesday Night
A chance of showers after 9pm. Mostly cloudy, with a low around 49. Breezy, with a north wind 18 to 21 mph. Chance of precipitation is 40%.
Thursday
A chance of showers before noon. Partly sunny, with a high near 57. Breezy, with a north wind 18 to 20 mph. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 48. Breezy, with a north wind 11 to 16 mph increasing to 17 to 22 mph after midnight.
Friday
Mostly sunny, with a high near 54. Breezy, with a north wind around 21 mph.
Friday Night
Partly cloudy, with a low around 46. North wind 16 to 18 mph.
Saturday
Mostly sunny, with a high near 53. North wind 14 to 16 mph.
Saturday Night
Mostly clear, with a low around 46. North wind around 6 mph.
Sunday
Sunny, with a high near 57. Northwest wind 7 to 9 mph becoming southwest in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hyannis Port MA
 41.64°N 70.29°W (Elev. 10 ft)
Last Update:
2:43 pm EDT Oct 18, 2026
Forecast Valid:
3pm EDT Oct 18, 2026-6pm EDT Oct 25, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation