Snow Day Probability
☀️ Chance of school cancellation tomorrow
Data provided by Open-Meteo
The Rockville Public Schools and surrounding Maryland districts together serve thousands of students across many public, charter, and private campuses. The Rockville area averages approximately 20 inches of snowfall per year, with the heaviest snowfall typically occurring between December and February.
School districts in Rockville 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 Rockville as alternatives to a full closure when conditions are borderline.
Rockville's geography plays a meaningful role in its winter weather: a humid subtropical to continental coastal climate exposed to powerful Atlantic nor'easters. These factors directly influence how often Rockville schools end up closed during a given winter. Geographically, Rockville sits near 39.09°N, 77.17°W, which shapes how regional storm systems and Arctic air masses interact with the area.
Notable historic snow events in or near Rockville include the January 2016 "Snowzilla" blizzard which dropped over two feet on the state, which produced widespread closures across the region. Historically, schools in the Rockville area close an average of approximately 3 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 Rockville based on live weather forecast data from Open-Meteo.
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Our calculator pulls live weather forecast data for Rockville 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 Rockville prediction.