Severe Thunderstorm and Flash Flood Threats Early This Week

The threat for severe thunderstorms and flash flooding are likely from the central and southern Plains into the Ohio/Tennessee Valleys and Mid-Atlantic early this week. A couple of slow moving systems will track west to east, while a plume of moisture focuses near a stalled front. Some of the thunderstorms could contain damaging winds and large hail, while flood watches extend from MO/IL to DE/NJ. Read More >

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Current conditions at

Hyannis, Barnstable Municipal-Boardman Airport (KHYA)

Lat: 41.67°NLon: 70.27°WElev: 49ft.

Fair

70°F

21°C

Humidity	59%
Wind Speed	SE 5 mph
Barometer	29.97 in (1015.1 mb)
Dewpoint	55°F (13°C)
Visibility	10.00 mi
Last update	17 Jun 4:56 pm EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Mobile Weather Hourly Weather Forecast

Extended Forecast for

South Dennis MA

Tonight

Mostly Cloudy
then Chance
Showers and
Patchy Fog
Low: 59 °F
Tuesday

Chance
Showers and
Patchy Fog
High: 67 °F
Tuesday
Night

Chance
Showers and
Patchy Fog
Low: 58 °F
Wednesday

Slight Chance
Showers and
Patchy Fog
High: 68 °F
Wednesday
Night

Chance
Showers
Low: 59 °F
Thursday

Chance
Showers
High: 70 °F
Thursday
Night

Showers
Likely
Low: 59 °F
Friday

Showers
Likely
High: 70 °F
Friday
Night

Chance
Showers then
Mostly Cloudy
Low: 60 °F

Detailed Forecast

Tonight

A chance of showers, mainly after 3am. Patchy fog after 2am. Otherwise, increasing clouds, with a low around 59. Southeast wind around 6 mph becoming south in the evening. Chance of precipitation is 30%.

Tuesday

A chance of showers. Patchy fog before 10am. Otherwise, cloudy, with a high near 67. Southeast wind 5 to 8 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

Tuesday Night

A slight chance of showers before 9pm, then a chance of showers after 10pm. Patchy fog after 9pm. Otherwise, cloudy, with a low around 58. Southeast wind 3 to 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Wednesday

A slight chance of showers. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 68. East wind 5 to 7 mph. Chance of precipitation is 20%.

Wednesday Night

A chance of showers, mainly after 11pm. Mostly cloudy, with a low around 59. Southeast wind 3 to 7 mph. Chance of precipitation is 30%.

Thursday

A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then a chance of showers after 1pm. Mostly cloudy, with a high near 70. Light and variable wind becoming southeast 5 to 7 mph in the morning. Chance of precipitation is 30%.

Thursday Night

Showers likely, mainly after 11pm. Mostly cloudy, with a low around 59. South wind around 8 mph. Chance of precipitation is 70%.

Friday

Showers likely, mainly before 1pm. Mostly cloudy, with a high near 70. Northeast wind around 9 mph. Chance of precipitation is 70%.

Friday Night

A chance of showers before 11pm. Mostly cloudy, with a low around 60. Northwest wind around 10 mph. Chance of precipitation is 30%.

Saturday

Mostly sunny, with a high near 72. Northwest wind 11 to 13 mph.

Saturday Night

Partly cloudy, with a low around 61. West wind around 9 mph.

Sunday

Sunny, with a high near 73. Northwest wind 8 to 10 mph.