Marlborough, MA Live Doppler Radar

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

What weather hits Marlborough?

Since 1996, the National Weather Service has logged damaging thunderstorm winds on 175 days in the Central Middlesex County forecast zone and Middlesex County — the most common reported hazard around Marlborough, mostly in July and June. Next come heavy snow & winter storms (111 days) and flooding (95 days).

HazardDays reportedMost recentWorst on record
Damaging thunderstorm winds175Jun 2026Jul 18, 2012 · $350,000 damage
Heavy snow & winter storms111Jan 2026Jan 7, 1996 · $1.5 million damage
Flooding95Jan 2024Mar 14, 2010 · $26 million damage
High winds61Mar 2025Feb 17, 2006 · 1 death · $700,000 damage
Lightning casualties & damage55Jul 2025Jun 27, 2000 · 1 death
Flash flooding38Jun 2025Jul 10, 2010 · $11 million damage
Ice storms & sleet3Dec 2008Dec 11, 2008 · 1 death · $3.0 million damage
Excessive heat3Jun 2025—

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 Central Middlesex County forecast zone and Middlesex County; damage is as reported, not adjusted for inflation.

How much snow does Marlborough get?

A normal year brings about 46 inches of snow to Marlborough, based on NOAA's 1991–2020 climate normals for the Natick weather station 11.4 miles away. The snowiest month is usually January (13.8 in).

OctNovDecJanFebMarAprMay
0.01.111.513.88.98.22.20.0

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

Which radars cover Marlborough?

The closest NEXRAD Doppler radar is KBOX (Boston, MA), about 34 miles southeast. 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 MarlboroughView
KBOX
Boston, MA
34 mi southeast2,200 ftExcellent — the lowest scan sees close to the ground
KOKX
Upton, NY
123 mi southwest13,200 ftLimited — the beam overshoots the lowest part of storms
KGYX
Portland, ME
125 mi north-northeast13,500 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 Marlborough

Since 1950, NOAA has recorded 60 tornadoes within 25 miles of Marlborough, 14 of them EF2/F2 or stronger. Most came in July and August. The strongest was an F4 on June 9, 1953, which passed about 3 miles south-southwest of town and caused 94 deaths. The most recent was an EF0 on September 6, 2025, which touched down about 19 miles west of town.

Hail: 176 reports of 1-inch or larger hail within 25 miles since 1955, 13 of them 2 inches or more; the largest was 2.25-inch hail on June 22, 1988.

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 Marlborough'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.

Marlborough radar FAQ

Where is the nearest weather radar to Marlborough, MA?

KBOX (Boston, MA), about 34 miles southeast. KOKX (Upton, NY) is 123 miles away and also covers the area.

Does radar show snow in Marlborough?

Yes. TALON colors snow blue, a rain–snow mix pink and freezing rain purple using NOAA's precipitation-type analysis. Over Marlborough the lowest scan from KBOX is about 2,200 ft up.

Is TALON's radar for Marlborough 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 Marlborough, follow it right away — see watch vs. warning.

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