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.

Fog/Mist

47°F

8°C

Humidity 100%
Wind Speed Vrbl 5 mph
Barometer 29.84 in (1010.6 mb)
Dewpoint 47°F (8°C)
Visibility 0.75 mi
Wind Chill45°F (7°C)
Last update 19 Apr 5:56 am EDT
Extended Forecast for

Yarmouth MA

  • Today

    Today: Rain likely, then rain and possibly a thunderstorm after 2pm. Patchy dense fog. High near 57. South wind 6 to 14 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 57 °F

    Chance Rain
    and Patchy
    Dense Fog
    then Rain and
    Patchy Fog

  • Tonight

    Tonight: A chance of rain before 8pm, then a slight chance of showers between 8pm and 9pm. Patchy fog before 10pm. Otherwise, cloudy during the early evening, then gradual clearing, with a low around 37. West wind 8 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Chance Rain
    and Patchy
    Fog then
    Mostly Clear

  • Monday

    Monday: A slight chance of rain after 2pm. Increasing clouds, with a high near 52. Southwest wind around 6 mph. Chance of precipitation is 20%.

    High: 52 °F

    Sunny then
    Slight Chance
    Rain

  • Monday Night

    Monday Night: A slight chance of showers before midnight. Mostly cloudy, with a low around 36. Light and variable wind becoming north 5 to 8 mph in the evening. Chance of precipitation is 20%.

    Low: 36 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 47. North wind 6 to 8 mph.

    High: 47 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 36. Southwest wind 3 to 6 mph.

    Low: 36 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 51. South wind 6 to 10 mph.

    High: 51 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 41. South wind around 6 mph.

    Low: 41 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 56. West wind 6 to 8 mph.

    High: 56 °F

    Mostly Sunny

Detailed Forecast

Today
Rain likely, then rain and possibly a thunderstorm after 2pm. Patchy dense fog. High near 57. South wind 6 to 14 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of rain before 8pm, then a slight chance of showers between 8pm and 9pm. Patchy fog before 10pm. Otherwise, cloudy during the early evening, then gradual clearing, with a low around 37. West wind 8 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday
A slight chance of rain after 2pm. Increasing clouds, with a high near 52. Southwest wind around 6 mph. Chance of precipitation is 20%.
Monday Night
A slight chance of showers before midnight. Mostly cloudy, with a low around 36. Light and variable wind becoming north 5 to 8 mph in the evening. Chance of precipitation is 20%.
Tuesday
Sunny, with a high near 47. North wind 6 to 8 mph.
Tuesday Night
Partly cloudy, with a low around 36. Southwest wind 3 to 6 mph.
Wednesday
Partly sunny, with a high near 51. South wind 6 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 41. South wind around 6 mph.
Thursday
Mostly sunny, with a high near 56. West wind 6 to 8 mph.
Thursday Night
Partly cloudy, with a low around 41. Light and variable wind becoming northwest around 5 mph in the evening.
Friday
Mostly sunny, with a high near 53. North wind 6 to 8 mph.
Friday Night
Partly cloudy, with a low around 41. South wind around 5 mph becoming northwest after midnight.
Saturday
Partly sunny, with a high near 54. Northeast wind 6 to 8 mph becoming east in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Yarmouth MA
 41.69°N 70.22°W (Elev. 33 ft)
Last Update:
3:05 am EDT Apr 19, 2026
Forecast Valid:
6am EDT Apr 19, 2026-6pm EDT Apr 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation