Heavy Rainfall Threat The Next Few Days Across The Eastern U.S.

A strong cold front will gradually push through the Eastern U.S. over the next few days and will likely produce heavy rain and severe weather. The rainfall may become excessive and result in flash flooding. Flash flood watches are currently in effect from the coastal Carolinas to the Great Lakes. Read More >

Current conditions at

Hyannis, Barnstable Municipal-Boardman Airport (KHYA)

Lat: 41.67°NLon: 70.27°WElev: 49ft.

Mostly Cloudy

73°F

23°C

Humidity 71%
Wind Speed SE 9 mph
Barometer 30.38 in (1028.7 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 21 Sep 12:56 pm EDT
Extended Forecast for

South Yarmouth MA

  • This
    Afternoon

    This Afternoon: Partly sunny, with a high near 74. Southeast wind around 10 mph.

    Partly Sunny

    High: 74 °F

  • Tonight

    Tonight: Partly cloudy, with a low around 65. Southeast wind around 9 mph.

    Partly Cloudy

    Low: 65 °F

  • Wednesday

    Wednesday: Mostly sunny, with a high near 76. Southeast wind 11 to 13 mph.

    Mostly Sunny

    High: 76 °F

  • Wednesday
    Night

    Wednesday Night: Mostly cloudy, with a low around 67. Southeast wind around 9 mph.

    Mostly Cloudy

    Low: 67 °F

  • Thursday

    Thursday: Mostly sunny, with a high near 77. Southeast wind 10 to 15 mph.

    Mostly Sunny

    High: 77 °F

  • Thursday
    Night

    Thursday Night: A slight chance of showers and thunderstorms.  Partly cloudy, with a low around 65. Southeast wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 20%.

    Slight Chance
    T-storms

    Low: 65 °F

  • Friday

    Friday: Partly sunny, with a high near 76. South wind 10 to 14 mph.

    Partly Sunny

    High: 76 °F

  • Friday
    Night

    Friday Night: A chance of showers before 2am, then a chance of showers after 3am.  Mostly cloudy, with a low around 64. South wind around 10 mph.  Chance of precipitation is 40%.

    Chance
    Showers

    Low: 64 °F

  • Saturday

    Saturday: A chance of showers before 1pm.  Partly sunny, with a high near 75. South wind 7 to 10 mph.  Chance of precipitation is 40%.

    Chance
    Showers

    High: 75 °F

Detailed Forecast

This Afternoon
Partly sunny, with a high near 74. Southeast wind around 10 mph.
Tonight
Partly cloudy, with a low around 65. Southeast wind around 9 mph.
Wednesday
Mostly sunny, with a high near 76. Southeast wind 11 to 13 mph.
Wednesday Night
Mostly cloudy, with a low around 67. Southeast wind around 9 mph.
Thursday
Mostly sunny, with a high near 77. Southeast wind 10 to 15 mph.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 65. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 76. South wind 10 to 14 mph.
Friday Night
A chance of showers before 2am, then a chance of showers after 3am. Mostly cloudy, with a low around 64. South wind around 10 mph. Chance of precipitation is 40%.
Saturday
A chance of showers before 1pm. Partly sunny, with a high near 75. South wind 7 to 10 mph. Chance of precipitation is 40%.
Saturday Night
A chance of showers after 1am. Mostly cloudy, with a low around 63. South wind around 9 mph. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 74. Southwest wind 8 to 10 mph.
Sunday Night
Partly cloudy, with a low around 60. West wind around 10 mph, with gusts as high as 21 mph.
Monday
Mostly sunny, with a high near 73. West wind around 11 mph.
Click Map For Forecast
Point Forecast:
South Yarmouth MA
 41.67°N 70.2°W (Elev. 10 ft)
1:02 pm EDT Sep 21, 2021
1pm EDT Sep 21, 2021-6pm EDT Sep 27, 2021
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database