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Wilton, Connecticut, 3,809 students in 4 schools

Wilton School District Snow Day Predictor

The odds of a closing or a delay on the next three school mornings in Wilton, measured against Wilton's own big snow morning of 5.4 inches.

The next three school mornings

Will Wilton close tomorrow?

Reading the National Weather Service forecast for the overnight and the bus hours in Wilton.
The Wilton playbook

How Wilton calls a snow day

When the call comes

If possible, the final call is made by 5:00 a.m.

“Officials also look at how quickly roads can be cleared before making a decision. If possible, the final call is made by 5:00 a.m.”
Source

How families hear

By the district website, local TV and radio.

“Updates will also be posted on the district website and shared with local TV and radio stations.”
Wilton Public Schools - Closing / Special Schedules

A 2 hour delay

On a delay morning every school starts 2 hours late.

“The district utilizes the option of a 1-hour, 2-hour or 3-hour delay. The decision to utilize a delayed opening schedule is based on the forecasted timing of a storm, and/or road conditions.”
Delay schedule

Making up a lost day

Added to the end of the year; June 14 to 18 marked as possible inclement weather days.

Make up dates: Jun 14, Jun 15, Jun 16, Jun 17, Jun 18.

“If the year must be extended due to emergency closings, the days will be added to the end of the school year. If no such days are used, the last day of school will be June 11, 2027”
Source

The 2026 to 2027 calendar

  • First day August 25, 2026
  • Winter break Dec 24 to Jan 1
  • February break Feb 15 to Feb 19
  • Last day June 11, 2027
District calendar

The board policy

“This decision is based on the best guess of what conditions will be like over the next four to twelve hours.”
Board policy

Read from Wilton’s own pages on October 8, 2026; the district site is wiltonps.org.

Ten winters of school mornings

Wilton’s snow record

31.8inches of snow a winter
3.1school mornings a winter with 2 in of new snow or more
1.4with 4 in or more
5.4 ina big snow morning in Wilton: the top tenth of snowy school mornings
0.8Nov
5.4Dec
8.2Jan
11.8Feb
4.8Mar
Average snowfall by month, inches
  • Biggest day 13.8 in on February 23, 2026
  • Snowiest winter 2017 to 2018, 61.1 in
  • 6 in mornings 1.1 a winter
  • 1 in mornings 4.9 a winter

Measured at a NOAA weather station 4.6 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.

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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 Wilton

DistrictSnow a winter4 in morningsBuilt in days
Weston School DistrictWeston31.8 in1.4
New Canaan School DistrictNew Canaan31.8 in1.4
Ridgefield School DistrictRidgefield24.7 in1.3
Westport School DistrictWestport29 in1.85
Norwalk School DistrictNorwalk29 in1.8
Darien School DistrictDarien29 in1.82
The schools

4 schools

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

High

  • Wilton High School

Middle

  • Middlebrook School

Elementary

  • Miller-Driscoll School
  • Cider Mill School
Questions

Wilton snow day questions

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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.