Madrid’s altitude and dry meseta climate favour sharp stellar images when pollution haze drops. Sierra de Guadarrama and darker Castilla sites open rich summer Milky Way sessions.
Calima dust from Africa can mute the sky with almost no cloud.
Spain · Central Spain · ~40.4°N
Check the live Tonight score for Madrid (cloud, dew, transparency, and astronomical dark), then read the hourly cloud timing chart and moonless dark window on this page.
Use the best clear window clock times after astronomical darkness, and prefer moonless hours when deep-sky contrast matters.
This hub shows moonrise, moonset, illumination, and the longest moonless astronomical-dark interval for Madrid. Open Dark Sky Window for the full ephemeris card.
ISS passes are spottable near dusk or dawn when the sky is dark and the station is still sunlit. This page lists the next spottable pass when available.
Learn: Is tonight good for stargazing? · How to see the Milky Way