Dennis Port, MA Live Doppler Radar

Live radar for Dennis Port, Barnstable County: every NWS radar combined, rain, snow and ice colors, flash-flood risk, storm tracks and official warnings.

What weather hits Dennis Port?

Since 1996, the National Weather Service has logged high winds on 143 days in the Barnstable forecast zone and Barnstable County — the most common reported hazard around Dennis Port, mostly in October and December. Next come heavy snow & winter storms (48 days) and damaging thunderstorm winds (45 days).

HazardDays reportedMost recentWorst on record
High winds143Dec 2025Jan 18, 2006 · 1 death · $100,000 damage
Heavy snow & winter storms48Jan 2026Jan 7, 1996 · $800,000 damage
Damaging thunderstorm winds45Jul 2025Jul 23, 2019 · $2.6 million damage
Coastal flooding32Apr 2024Feb 9, 2013 · $5.3 million damage
Lightning casualties & damage26Aug 2024Jul 1, 2009 · 1 death
Flooding24Aug 2023Apr 13, 2011 · $40,000 damage
Blizzards10Feb 2026Jan 26, 2015 · 1 death
Hurricanes & tropical storms8Sep 2023Aug 28, 2011 · $3.7 million damage

Source: NOAA NCEI Storm Events Database, 1996–2026 (the latest year is partial). A "day" is a date with at least one report in the Barnstable forecast zone and Barnstable County; damage is as reported, not adjusted for inflation.

How much snow does Dennis Port get?

A normal year brings about 22 inches of snow to Dennis Port, based on NOAA's 1991–2020 climate normals for the Hyannis weather station 8.6 miles away. The snowiest month is usually January (9.5 in).

OctNovDecJanFebMarAprMay
0.00.02.19.56.33.60.00.0

Normal snowfall in inches. TALON Pro compares this season's snow at your location with these normals as winter goes on.

Which radars cover Dennis Port?

The closest NEXRAD Doppler radar is KBOX (Boston, MA), about 55 miles west-northwest. Radar beams climb as they travel, so the height of the lowest scan over town decides how low in a storm the radar can see.

RadarDistanceLowest beam over Dennis PortView
KBOX
Boston, MA
55 mi west-northwest4,100 ftGood — most storms and steady rain or snow show clearly
KOKX
Upton, NY
152 mi west-southwest18,600 ftLimited — the beam overshoots the lowest part of storms
KGYX
Portland, ME
154 mi north18,900 ftLimited — the beam overshoots the lowest part of storms

Beam height is the center of the 0.5° scan above the radar, with standard refraction. Mountains near a radar can block it further.

Tornado & hail history near Dennis Port

Since 1950, NOAA has recorded 7 tornadoes within 25 miles of Dennis Port. Most came in August and July. The strongest was an F1 on August 22, 1977, which touched down about 7 miles west of town. The most recent was an EF0 on August 8, 2023, which touched down about 12 miles west of town.

Hail: 13 reports of 1-inch or larger hail within 25 miles since 1955; the largest was 1.75-inch hail on July 18, 1997.

Source: NOAA Storm Prediction Center — tornadoes 1950–2025, hail 1955–2025. Distances are to each tornado's track; ratings before February 2007 use the original Fujita scale.

On TALON you get Dennis Port's live radar loop, rain/snow/ice colors, flash-flood risk, storm tracks with arrival times and NWS warnings free; close-up radar and rotation detection are part of TALON Pro.

Dennis Port radar FAQ

Where is the nearest weather radar to Dennis Port, MA?

KBOX (Boston, MA), about 55 miles west-northwest. KOKX (Upton, NY) is 152 miles away and also covers the area.

Does radar show snow in Dennis Port?

Yes. TALON colors snow blue, a rain–snow mix pink and freezing rain purple using NOAA's precipitation-type analysis. Over Dennis Port the lowest scan from KBOX is about 4,100 ft up.

Is TALON's radar for Dennis Port free?

Yes — the US radar loop, rain/snow/ice colors, flash-flood risk, storm tracks and NWS warnings are free in any browser. Close-up radar, rotation detection and longer forecasts are part of TALON Pro.

Should I rely on radar for my safety?

No app replaces official warnings. When the National Weather Service issues a warning for Dennis Port, follow it right away — see watch vs. warning.

Radar for nearby towns

All Massachusetts towns →