How much time does it take for DC weather forecasts to update?

Asked on: 7/27/2025

This question has been asked1times.

DC weather forecasts typically update every 6 to 12 hours, depending on the source.

Estimated Duration: 12 hours

Weather forecasts for Washington, DC, are usually updated multiple times a day by meteorological services like the National Weather Service (NWS) or private providers. Major updates occur every 6-12 hours, with real-time data (like radar) refreshing more frequently. For the most accurate forecasts, check trusted sources such as NOAA, Weather.com, or AccuWeather, which incorporate the latest satellite, radar, and model data. Severe weather alerts may update in real-time, while general forecasts follow standard cycles. Mobile apps and websites often push notifications for significant changes.