Dennis, MA Weather Forecast
Barnstable County, Massachusetts
Live radar, warnings and storm tracking for Dennis, with free alerts the moment it counts.
The next few hours
Taller, warmer bars mean heavier rain. Dotted means no reading for that hour.
Hour by hour
Sunrise and sunset
Next five days, scored 0 to 100The first day or two use the HRRR and NBM cloud layers. Later days only have total cloud, so treat them as a rough guide.
Know when sunset at this place will be worth a photo
We score every sunrise and sunset here from the cloud, haze and smoke forecast, and let you know when one is likely to light up. Sunrise the evening before, sunset a few hours ahead.
Seven-day outlook
Free alerts for Dennis
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
Dennis, MA at a glance
Dennis is home to about 14,903 people in Barnstable County, across 21 square miles. It ranks 140th by population of 283 places in Massachusetts with a forecast here. The nearest neighbour with its own forecast is Yarmouth, 4 miles away.
- County
- Barnstable County
- Population
- 14,903 2023 est.
- Land area
- 21 sq mi
- People per sq mi
- 724
- Forecast point
- 41.7061°N, 70.1648°W
How well can the network see Dennis?
The nearest Doppler radar is KBOX (Boston, MA), to the WNW. Its lowest scan passes about 3,800 ft above Dennis. Close enough to see rotation in the low part of a storm, where tornadoes form.
The closest weather station is KHYA (Hyannis/Barnstable Muni). Representative on most days, though a thunderstorm can hit one and miss the other.
Forecasts near Dennis
- Yarmouth, MA4 mi
- Harwich, MA5 mi
- Brewster, MA6 mi
- Barnstable Town, MA10 mi
- Orleans, MA11 mi
- Chatham, MA11 mi
- Eastham, MA13 mi
- Wellfleet, MA16 mi
Elsewhere in Massachusetts
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