Snow Day Probability
☀️ Chance of school cancellation tomorrow
Data provided by Open-Meteo
The New Haven Public Schools and surrounding Connecticut districts together serve thousands of students across many public, charter, and private campuses. The New Haven area averages approximately 29 inches of snowfall per year, with the heaviest snowfall typically occurring between December and March.
School districts in New Haven generally announce closures through their official websites, automated phone calls, local TV, and radio stations, with most decisions made by the superintendent in the early morning hours, typically by 5:00 AM on storm days. Two-hour delays and remote-learning days are sometimes used in New Haven as alternatives to a full closure when conditions are borderline.
New Haven's geography plays a meaningful role in its winter weather: a humid continental coastal climate where nor'easters drive most winter closures. These factors directly influence how often New Haven schools end up closed during a given winter. Geographically, New Haven sits near 41.31°N, 72.93°W, which shapes how regional storm systems and Arctic air masses interact with the area.
Notable historic snow events in or near New Haven include the Blizzard of 2013 (Winter Storm Nemo) which dropped over three feet on parts of the state, which produced widespread closures across the region. Historically, schools in the New Haven area close an average of approximately 5 days per winter season due to snow, ice, or extreme cold. Use our Snow Day Calculator above to check tomorrow's real-time school closure probability for New Haven based on live weather forecast data from Open-Meteo.
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Our calculator pulls live weather forecast data for New Haven from the Open-Meteo API and analyzes snowfall accumulation, temperature, wind chill, and 24-hour precipitation totals to generate a school closure probability percentage.
Check between 9 PM and midnight the evening before a potential storm. Weather models are most reliable within a 12–18 hour forecast window, giving you the most accurate prediction for the following morning.
Yes. Public schools close more readily than private schools, which close more readily than colleges and universities. Select your school type for the most accurate New Haven prediction.