Weather forecast for Ashburn
The data shown above is derived from the 7Timer! ASTRO data product. 7Timer! was developed by the National Astronomical Observatories of China and supported by the Chinese Network for Astronomy Popularization, the Shanghai Astronomical Observatory, and the Chinese Academy of Sciences.
Predictions are based on the United States NOAA/NCEP-based Global Forecast System (GFS).
Use them with caution and at your own risk. They are always subject to a high degree of uncertainty and weather conditions may change at short notice.
For more information about the forecasting model, see:
Ye, Q.-Z. 2011, Publications of the Astronomical Society of the Pacific, 123, 113-124