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

73°F

23°C

Humidity 87%
Wind Speed SW 7 mph
Barometer 30.02 in (1016.7 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 24 Jun 12:56 am EDT
Extended Forecast for

Yarmouth MA

Heat Advisory June 24, 10:00am until June 24, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 67. Southwest wind around 8 mph.

    Low: 67 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny and hot, with a high near 94. Heat index values as high as 100. Southwest wind 7 to 10 mph.

    High: 94 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 71. Southwest wind 6 to 9 mph.

    Low: 71 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 84. Northwest wind 6 to 8 mph becoming northeast in the afternoon.

    High: 84 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms, then a chance of showers after 11pm. Mostly cloudy, with a low around 64. Light east wind. Chance of precipitation is 30%.

    Low: 64 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers. Mostly cloudy, with a high near 73. Northeast wind 6 to 10 mph. Chance of precipitation is 40%.

    High: 73 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers before 10pm, then a chance of showers after 4am. Mostly cloudy, with a low around 61. East wind around 6 mph. Chance of precipitation is 30%.

    Low: 61 °F

    Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 73. East wind 7 to 10 mph.

    High: 73 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of showers after 3am. Mostly cloudy, with a low around 62. Southeast wind around 7 mph. Chance of precipitation is 30%.

    Low: 62 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 67. Southwest wind around 8 mph.
Tuesday
Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny and hot, with a high near 94. Heat index values as high as 100. Southwest wind 7 to 10 mph.
Tuesday Night
Mostly clear, with a low around 71. Southwest wind 6 to 9 mph.
Wednesday
Mostly sunny, with a high near 84. Northwest wind 6 to 8 mph becoming northeast in the afternoon.
Wednesday Night
A slight chance of showers and thunderstorms, then a chance of showers after 11pm. Mostly cloudy, with a low around 64. Light east wind. Chance of precipitation is 30%.
Thursday
A chance of showers. Mostly cloudy, with a high near 73. Northeast wind 6 to 10 mph. Chance of precipitation is 40%.
Thursday Night
A chance of showers before 10pm, then a chance of showers after 4am. Mostly cloudy, with a low around 61. East wind around 6 mph. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 73. East wind 7 to 10 mph.
Friday Night
A chance of showers after 3am. Mostly cloudy, with a low around 62. Southeast wind around 7 mph. Chance of precipitation is 30%.
Saturday
A chance of showers. Mostly cloudy, with a high near 76. South wind 8 to 10 mph. Chance of precipitation is 40%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 64. South wind around 7 mph. Chance of precipitation is 40%.
Sunday
A chance of showers. Partly sunny, with a high near 78. Northwest wind 7 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 65. Southwest wind around 6 mph.
Monday
Partly sunny, with a high near 80. South wind 6 to 9 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:
7:47 pm EDT Jun 23, 2025
Forecast Valid:
1am EDT Jun 24, 2025-6pm EDT Jun 30, 2025
 
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