Snow Day Predictor for Connecticut

Browse snow day predictions for all 100 cities in Connecticut. Select your city to check tomorrow's school closure forecast.

Every city below links to its own live snow day forecast for Connecticut. Find your city in the alphabetical list and click it to check today's snowfall probability and school closure forecast.

About Connecticut

Connecticut sits in the southern corner of New England, bordered by New York to the west, Massachusetts to the north, Rhode Island to the east, and Long Island Sound to the south. It became the 5th state on January 9, 1788, one of the original thirteen colonies to ratify the Constitution, and is home to roughly 3.69 million people today, according to the latest Census Bureau estimate. The state packs real geographic variety into a small footprint, from the rolling Litchfield Hills in the northwest corner down to a densely populated coastline running from Greenwich to Stonington. Hartford has been known for generations as the Insurance Capital of the World, and that industry, along with finance, aerospace manufacturing (Pratt and Whitney builds jet engines in East Hartford, Sikorsky builds helicopters in Stratford), submarine construction at Electric Boat in Groton, and a cluster of research universities, forms the backbone of Connecticut's economy. The state's nickname, the Constitution State, has nothing to do with weather, but its winters do plenty on their own. Unlike states further south, Connecticut gets real, sustained winters with several significant snow events most years, not the occasional dusting. That mix of real snow and real geographic variation is what makes Connecticut's snow day predictions genuinely useful. A storm that shuts down Norfolk's schools might barely dust Stamford three hours south.

Connecticut Snow Day Climate and School Closures

How Connecticut's Climate Affects Snow Days

Connecticut's snowfall splits sharply along a northwest to southeast line. Norfolk, up in the Litchfield Hills, averages about 74.9 inches of snow a year, the most of any town tracked in the state. Coastal cities tell a different story, Long Island Sound moderates temperatures enough that Bridgeport averages just 33.6 inches and Groton averages around 24.5 inches most winters.

On February 8-9, 2013, the blizzard known as Nemo dropped a state-record 36 inches of snow in 24 hours on Ansonia, breaking a 1969 record and burying much of Connecticut under two to three feet. (NOAA National Centers for Environmental Information)

What Causes School Closures in Connecticut

In Connecticut, the rain-snow line matters more than total accumulation. A single nor'easter can dump wet, heavy snow on Norfolk while New Haven, fifty miles south, gets cold rain from that same system, because Long Island Sound keeps coastal air just warm enough to flip precipitation type. Coastal superintendents are often gambling on a few degrees, not inches.

Explore Snow Day Predictions Across Connecticut

Connecticut has 100 cities covered by the Snow Day Predictor. Predictions are updated hourly using real-time weather data from Open-Meteo.

Popular Cities to Check in Connecticut

Hartford. Connecticut's capital and longtime insurance hub sits about 50 miles inland and falls under the Boston/Norton forecast office's area, not New York's, which is why its winter storm warnings sometimes post on a different timeline than the coast just an hour south.

New Haven. Home to Yale University since 1701, New Haven sits directly on Long Island Sound, whose relatively warmer water often tips borderline storms toward rain or a wintry mix even while inland Connecticut gets straight snow from the same system.

Stamford. Stamford, in Fairfield County closest to New York City, consistently posts some of the state's lowest snow totals thanks to Sound-driven warmth and urban heat, though its dense rush-hour traffic means even a modest storm snarls commutes badly.

Danbury. Danbury sits about 50 miles from New York City at roughly 400 feet elevation, higher and colder than the shoreline, and borders Candlewood Lake, Connecticut's largest lake. It averages 49.3 inches of snow a year, well above Fairfield County's coastal towns.

Norfolk. Norfolk, tucked in the Litchfield Hills at about 1,230 feet, is nicknamed the Icebox of Connecticut and holds the state's all-time record low of minus 37 degrees Fahrenheit, set on February 16, 1943. It is also the state's snowiest town, averaging 74.9 inches a year.

Groton. Groton, home to Naval Submarine Base New London and the Electric Boat shipyard, sits where the Thames River meets Long Island Sound, giving it some of the mildest, least snowy winters of any city in Connecticut.

A 1

Ansonia

B 7

Berlin Bethel Bloomfield Branford Bridgeport Bristol Brookfield

C 5

Canton Cheshire Clinton Colchester Coventry

D 4

Danbury Darien Derby Durham

E 6

East Hartford East Haven East Lyme East Windsor Ellington Enfield

F 2

Fairfield Farmington

G 6

Glastonbury Granby Greenwich Griswold Groton Guilford

H 3

Hamden Hartford Hebron

K 1

Killingly

L 1

Ledyard

M 8

Madison Manchester Mansfield Meriden Middletown Milford Monroe Montville

N 14

Naugatuck New Britain New Canaan New Fairfield New Haven New London New Milford Newington Newtown North Branford North Haven North Stonington Norwalk Norwich

O 3

Old Saybrook Orange Oxford

P 6

Plainfield Plainville Plymouth Portland Prospect Putnam

R 2

Ridgefield Rocky Hill

S 11

Seymour Shelton Simsbury South Windsor Southbury Southington Stafford Stamford Stonington Stratford Suffield

T 4

Thomaston Tolland Torrington Trumbull

V 1

Vernon

W 15

Wallingford Waterbury Waterford Watertown West Hartford West Haven Westport Wethersfield Wilton Winchester Windham Windsor Windsor Locks Wolcott Woodbridge

Frequently Asked Questions About Snow Days in Connecticut

How likely is a snow day in Connecticut in a typical winter?

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It depends heavily on where in the state you live. Northwest Connecticut and the Litchfield Hills see measurable snow on 20 or more days some winters, while the immediate coastline often sees roughly half that. Most Connecticut districts call at least a handful of full or delayed-opening snow days each winter, with calls clustering in January and February, since storms earlier and later in the season tend to favor rain along the Sound.

Why does ice matter as much as snow for closures?

Connecticut sees plenty of storms that start as snow and switch to freezing rain or sleet partway through, especially near the coast, because Sound-moderated air pushes the warm layer just high enough to melt flakes before they refreeze on the ground. That kind of ice makes roads and walkways treacherous in ways dry powder does not, which is why officials sometimes close schools for a storm with less total accumulation than a bigger one weeks earlier.

Have Connecticut's snow patterns changed over time?

Temperatures in Connecticut have risen almost 3.5 degrees Fahrenheit since the start of the 20th century, according to NOAA's state climate summary. That has not stopped big storms, Hartford's Bradley Airport measured over 54 inches of snow in January 2011 alone, but southern Connecticut does see more rain-heavy winter storms than it once did, while the Litchfield Hills keep piling up snow more consistently.

Why do Hartford and Stamford get different snow day calls for the same storm?

They are covered by different National Weather Service forecast offices, Hartford falls under the Boston/Norton office, Stamford under the New York City office. More often, though, they are genuinely experiencing different weather. Storms crossing Connecticut frequently drop several more inches inland than at the coast, because Long Island Sound's open water keeps nearby air a few degrees warmer, enough to turn snow into rain or slush.

Is there any part of Connecticut that basically never worries about snow?

No town skips winter entirely, but the immediate shoreline comes closest. Stamford, Norwalk, and Groton sit right on Long Island Sound, which rarely freezes and keeps nearby air a bit warmer than towns a few miles inland. That is the difference between six inches at the shoreline and well over a foot forty minutes inland on the same afternoon.

How far in advance can Connecticut snow day predictions be made?

Meteorologists can usually flag a storm system four to six days out, though early forecasts are about timing and track, not exact totals for your town. The picture tightens up inside 48 hours, and superintendents typically wait until the evening before or early morning to make a final call, since the rain-snow line along the coast can shift right up until snow starts falling.