South Yarmouth, MA Live Doppler Radar
Live radar for South Yarmouth, Barnstable County: every NWS radar combined, rain, snow and ice colors, flash-flood risk, storm tracks and official warnings.
What weather hits South Yarmouth?
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 South Yarmouth, mostly in October and December. Next come heavy snow & winter storms (48 days) and damaging thunderstorm winds (45 days).
| Hazard | Days reported | Most recent | Worst on record |
|---|---|---|---|
| High winds | 143 | Dec 2025 | Jan 18, 2006 · 1 death · $100,000 damage |
| Heavy snow & winter storms | 48 | Jan 2026 | Jan 7, 1996 · $800,000 damage |
| Damaging thunderstorm winds | 45 | Jul 2025 | Jul 23, 2019 · $2.6 million damage |
| Coastal flooding | 32 | Apr 2024 | Feb 9, 2013 · $5.3 million damage |
| Lightning casualties & damage | 26 | Aug 2024 | Jul 1, 2009 · 1 death |
| Flooding | 24 | Aug 2023 | Apr 13, 2011 · $40,000 damage |
| Blizzards | 10 | Feb 2026 | Jan 26, 2015 · 1 death |
| Hurricanes & tropical storms | 8 | Sep 2023 | Aug 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 South Yarmouth get?
A normal year brings about 22 inches of snow to South Yarmouth, based on NOAA's 1991–2020 climate normals for the Hyannis weather station 5.3 miles away. The snowiest month is usually January (9.5 in).
| Oct | Nov | Dec | Jan | Feb | Mar | Apr | May |
|---|---|---|---|---|---|---|---|
| 0.0 | 0.0 | 2.1 | 9.5 | 6.3 | 3.6 | 0.0 | 0.0 |
Normal snowfall in inches. TALON Pro compares this season's snow at your location with these normals as winter goes on.
Which radars cover South Yarmouth?
The closest NEXRAD Doppler radar is KBOX (Boston, MA), about 52 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.
| Radar | Distance | Lowest beam over South Yarmouth | View |
|---|---|---|---|
| KBOX Boston, MA | 52 mi west-northwest | 3,800 ft | Good — most storms and steady rain or snow show clearly |
| KOKX Upton, NY | 149 mi west-southwest | 18,000 ft | Limited — the beam overshoots the lowest part of storms |
| KGYX Portland, ME | 154 mi north | 18,900 ft | Limited — 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 South Yarmouth
Since 1950, NOAA has recorded 7 tornadoes within 25 miles of South Yarmouth. Most came in August and July. The strongest was an F1 on August 22, 1977, which touched down about 4 miles west of town. The most recent was an EF0 on August 8, 2023, which touched down about 9 miles west of town.
Hail: 14 reports of 1-inch or larger hail within 25 miles since 1955, 1 of them 2 inches or more; the largest was 2.25-inch hail on August 16, 2008.
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 South Yarmouth'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.
South Yarmouth radar FAQ
Where is the nearest weather radar to South Yarmouth, MA?
KBOX (Boston, MA), about 52 miles west-northwest. KOKX (Upton, NY) is 149 miles away and also covers the area.
Does radar show snow in South Yarmouth?
Yes. TALON colors snow blue, a rain–snow mix pink and freezing rain purple using NOAA's precipitation-type analysis. Over South Yarmouth the lowest scan from KBOX is about 3,800 ft up.
Is TALON's radar for South Yarmouth 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 South Yarmouth, follow it right away — see watch vs. warning.
Radar for nearby towns
- Barnstable Town, MA radar 8 mi
- New Bedford, MA radar 38 mi
- Bridgewater Town, MA radar 45 mi
- Fall River, MA radar 46 mi
- Taunton, MA radar 49 mi
- Brockton, MA radar 51 mi
- Weymouth Town, MA radar 53 mi
- Braintree Town, MA radar 56 mi
- Randolph Town, MA radar 56 mi
- Quincy, MA radar 58 mi