Toronto Snow Day Predictor
Check tomorrow's estimated school-closing and delay chance for Toronto, ON using live winter-weather factors.
Will school close tomorrow?
Enter a city, ZIP code, or postal code. We use live weather data to estimate closure, delay, and normal-schedule chances.
Why this estimate?
Tomorrow morning
5-day snow day outlook
Same model, one forecast request. Later days are planning signals and become less certain farther from today.
Chance of a snow day in Toronto
The estimate above is driven by the forecast for this location rather than by generic city-name text. Snow during the early-morning travel window is weighted more heavily than snow that ends earlier, and the model also checks freezing precipitation signals, severe cold, wind gusts, and visibility.
School districts can make different decisions under the same weather conditions. Treat this as planning information and verify the final status with your local school authority.
Toronto school-closure context
Toronto school boards distinguish between bus cancellations and full school closures. Both the public and Catholic boards monitor severe weather overnight and communicate major weather decisions around 6:00 AM.
- TDSB says school closure is rare and that bus cancellation does not automatically mean schools are closed; most TDSB students do not use school buses.
- TCDSB says it works with the Toronto Student Transportation Group and TDSB when severe weather such as freezing rain, significant snow, poor visibility, or extreme cold is forecast.
- Always use the board or transportation service for the final status; this calculator estimates weather risk only.
Local guidance reviewed September 10, 2026. Official school or district notices always take priority over this estimate.
How this Toronto estimate works
The current baseline model uses live Open-Meteo forecast data. For US locations, active National Weather Service winter alerts are included when available. It does not claim to know a district's historical closure behavior unless verified local data has been added to this page.