October Heat Wave in California; Tropical Cyclone Possible in the Gulf

Much higher than typical October temperatures will continue across coastal southern California up through the Bay Area and Central Valley through midweek resulting in result in Major to Extreme HeatRisk. A tropical depression is likely to form over the Gulf of America during the middle part of this week with further strengthening possible as it moves northeastward later this week. Read More >

Current conditions at

Hyannis, Barnstable Municipal-Boardman Airport (KHYA)

Lat: 41.67°NLon: 70.27°WElev: 49ft.

Fair

57°F

14°C

Humidity 49%
Wind Speed W 3 mph
Barometer 29.97 in (1015.0 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 6 Oct 5:56 pm EDT
Extended Forecast for

Dennis MA

  • Tonight

    Tonight: Clear, with a low around 40. West wind 5 to 7 mph becoming calm  after midnight. Winds could gust as high as 22 mph.

    Low: 40 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 64. Light southwest wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 25 mph.

    High: 64 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 53. Southwest wind around 14 mph.

    Low: 53 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny through mid morning, then becoming partly sunny, with a high near 67. Southwest wind 13 to 15 mph, with gusts as high as 25 mph.

    High: 67 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56. West wind around 7 mph.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 64. West wind around 9 mph.

    High: 64 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 54. Northwest wind around 8 mph.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 62. Northwest wind 5 to 9 mph.

    High: 62 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 56. Southwest wind around 6 mph.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 40. West wind 5 to 7 mph becoming calm after midnight. Winds could gust as high as 22 mph.
Wednesday
Sunny, with a high near 64. Light southwest wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 53. Southwest wind around 14 mph.
Thursday
Sunny through mid morning, then becoming partly sunny, with a high near 67. Southwest wind 13 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Mostly clear, with a low around 56. West wind around 7 mph.
Friday
Sunny, with a high near 64. West wind around 9 mph.
Friday Night
Mostly clear, with a low around 54. Northwest wind around 8 mph.
Saturday
Sunny, with a high near 62. Northwest wind 5 to 9 mph.
Saturday Night
Mostly clear, with a low around 56. Southwest wind around 6 mph.
Sunday
Mostly sunny, with a high near 65. Southwest wind 9 to 15 mph.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 59. Southwest wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Columbus Day
A chance of showers. Partly sunny, with a high near 66. Southwest wind 11 to 14 mph. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 58. North wind 10 to 13 mph.
Tuesday
Partly sunny, with a high near 64. North wind around 14 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Dennis MA
 41.74°N 70.21°W (Elev. 30 ft)
2:29 pm EDT Oct 6, 2026
6pm EDT Oct 6, 2026-6pm EDT Oct 13, 2026
 
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Additional Resources

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