Hazardous Weather Conditions
Current conditions at
Hyannis, Barnstable Municipal-Boardman Airport (KHYA)
Lat: 41.67°NLon: 70.27°WElev: 49ft.
Fog/Mist
61°F
16°C
| Humidity | 97% |
| Wind Speed | NE 10 mph |
| Barometer | 29.81 in (1009.6 mb) |
| Dewpoint | 60°F (16°C) |
| Visibility | 5.00 mi |
| Last update | 27 Sep 11:56 pm EDT |
Extended Forecast for
Dennis MASimilar City Names
Flood Watch September 28, 12:44am until September 29, 02:00am
Coastal Flood Advisory until September 29, 12:00am
NOW: Multiple hazards in effect

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Overnight

Low: 59 °F
Showers and
Patchy FogMonday

High: 66 °F
Showers
Likely and
Patchy FogMonday Night

Low: 57 °F
Chance
Showers and
Patchy FogTuesday
High: 61 °F
Showers
Likely and
Patchy Fog
then Patchy
FogTuesday Night

Low: 58 °F
Mostly Cloudy
Wednesday

High: 64 °F
Mostly Sunny
Wednesday Night

Low: 59 °F
Mostly Cloudy
Thursday

High: 69 °F
Mostly Sunny
Detailed Forecast
Overnight
Showers and thunderstorms before 4am, then showers likely and possibly a thunderstorm between 4am and 5am, then a chance of showers and thunderstorms after 5am. Patchy fog. Low around 59. East wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers and thunderstorms before 11am, then showers likely and possibly a thunderstorm between 11am and 1pm, then a chance of showers after 1pm. Patchy fog before 1pm. Otherwise, mostly cloudy, with a high near 66. East wind around 9 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
A chance of showers, mainly after 5am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 57. East wind around 6 mph becoming light and variable. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Showers likely, mainly before 7am. Patchy fog. Otherwise, mostly cloudy, with a high near 61. Northwest wind around 11 mph. Chance of precipitation is 60%.
Tuesday Night
Mostly cloudy, with a low around 58. North wind around 6 mph.
Wednesday
Mostly sunny, with a high near 64. North wind 3 to 5 mph.
Wednesday Night
Mostly cloudy, with a low around 59. Calm wind becoming southwest around 5 mph after midnight.
Thursday
Mostly sunny, with a high near 69. Southwest wind 6 to 10 mph.
Thursday Night
Partly cloudy, with a low around 62. Southwest wind around 10 mph.
Friday
Mostly sunny, with a high near 69. Southwest wind around 11 mph.
Friday Night
A chance of showers. Mostly cloudy, with a low around 58. West wind around 9 mph becoming northwest after midnight. Chance of precipitation is 30%.
Saturday
A chance of showers. Mostly sunny, with a high near 63. North wind 8 to 10 mph. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 56. North wind 3 to 7 mph.
Sunday
A chance of showers. Mostly sunny, with a high near 62. Northeast wind 8 to 10 mph. Chance of precipitation is 30%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Dennis MASimilar City Names
41.74°N 70.21°W (Elev. 30 ft)
41.74°N 70.21°W (Elev. 30 ft)
2:49 pm EDT Sep 27, 2026
12am EDT Sep 28, 2026-6pm EDT Oct 4, 2026



