Lima’s coastal garúa cloud often blankets the city for weeks, so serious observers watch the Andean foothills inland. When the marine layer retreats, southern winter Milky Way nights open fast.
Urban light plus haze make downtown best for planets and ISS only.
Peru · Pacific coast · ~12.0°S
Check the live Tonight score for Lima (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 Lima. 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