Terryville, Connecticut, 1,279 students in 4 schools

Plymouth School District Snow Day Predictor

Q: How much snow does Terryville get?

About 28.4 inches a winter at a NOAA weather station 1.4 miles away, averaged over 9 winters. Between December 1 and March 31 that brings 4.9 weekday mornings a year with 2 inches of new snow or more, and 2.2 with 4 inches or more.

Q: What was the biggest snow day near Plymouth?

14 inches on January 27, 2026, the largest single day at a NOAA weather station 1.4 miles away in 9 winters. The snowiest winter was 2025 to 2026, with 43.2 inches.

Q: Does Plymouth get more snow days than other Connecticut districts?

Plymouth averages 2.2 weekday mornings a winter with 4 inches of new snow or more, more than 78 percent of the 166 Connecticut districts with a station record.

Q: How does the Plymouth snow day predictor work?

It reads the National Weather Service forecast for Terryville through the night and the 5 to 8 am bus run, adds winter alerts and the Winter Storm Severity Index, and measures the snow against Plymouth’s own big snow morning: 8 inches, the top tenth of snowy weekday mornings at a NOAA weather station 1.4 miles away.

The odds of a closing or a delay on the next three school mornings in Plymouth, measured against Plymouth's own big snow morning of 8 inches.

The next three school mornings

Will Plymouth close tomorrow?

Reading the National Weather Service forecast for the overnight and the bus hours in Terryville.

Ten winters of school mornings

Plymouth’s snow record

28.4inches of snow a winter

4.9school mornings a winter with 2 in of new snow or more

2.2with 4 in or more

8 ina big snow morning in Plymouth: the top tenth of snowy school mornings

More 4 inch school mornings than 78% of the 166 Connecticut districts with a station record.

1.3Nov

5.4Dec

7.9Jan

8.9Feb

4.8Mar

Average snowfall by month, inches

Biggest day 14 in on January 27, 2026
Snowiest winter 2025 to 2026, 43.2 in
6 in mornings 1.7 a winter
1 in mornings 6.6 a winter

Measured at a NOAA weather station 1.4 miles away. Mornings are the 7 am snow reading on a weekday from December 1 through March 31, over the ten winters from 2016 to 2017 through 2025 to 2026, from NOAA GHCN Daily.

The Connecticut rule

How Connecticut counts a lost day

Connecticut requires at least 180 days and 900 hours of actual school work, counting no more than 7 hours a day.

The Connecticut rules in the agency’s own words, and every Connecticut district

Next door

Districts near Plymouth

District	Snow a winter	4 in mornings
Bristol School DistrictBristol	28.4 in	2.2
Wolcott School DistrictWolcott	28.4 in	2.2
Regional School District 10Burlington	37.6 in	2.4
Watertown School DistrictWatertown	28.4 in	2.2
Plainville School DistrictPlainville	25.5 in	1.4
Waterbury School DistrictWaterbury	26.5 in	1.7

The schools

4 schools

Every school in Plymouth follows the district’s call: one closing covers them all.

High

Terryville High School

Middle

Eli Terry Jr. Middle School

Elementary

Plymouth Center School, Plymouth
Harry S. Fisher Elementary School

Questions

Plymouth snow day questions

How much snow does Terryville get?

What was the biggest snow day near Plymouth?

Does Plymouth get more snow days than other Connecticut districts?

How does the Plymouth snow day predictor work?

How does Connecticut handle snow days?

More winter

More for Connecticut snow days

Snow day predictorClosing and delay odds for any ZIP, with the snowiest districts in the country.Snow depth mapHow much snow is on the ground right now, measured, across the country.First snow datesWhen the first measurable snow usually lands where you live.Frozen pipesThe nights cold enough to freeze a pipe, and what to do before one.Snow plow trackerWhere the plows are during a storm, city by city.Connecticut winter forecastThe season ahead for Connecticut: snowfall, cold and the first snow.

A residential street under deep snow on a bright blue morning, cars parked along the curb buried into smooth white mounds, one set of tire tracks down the middle — The morning after a big one: cars buried to the mirrors and one set of tracks down the middle. A street like this is a closing, no debate. Photo, Fairfax, Virginia, January 2016: Jarek Tuszyński, CC BY 4.0

The odds are a forecast read, and the superintendent makes the call: the district’s own announcement is the one to follow.