Melbourne’s famous four-seasons-in-a-day weather means cloud forecasts matter more than light alone. Southern winters still deliver Magellanic Clouds and long galactic-centre nights inland.
Cold fronts from the Southern Ocean can clear the sky in under an hour.
Australia · Victoria · ~37.8°S
Tonight is 23 Oct, times in Australia/Melbourne (GMT+11), computed with astronomy-engine for 37.81° S, 144.96° E. Climate: NASA POWER monthly means, 2001-2020, cloud and rain averaged over the whole day.
Check the live Tonight score for Melbourne (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.
Tonight (23 Oct) there is no moonless dark window in Melbourne: the Moon is up through the dark hours. This hub also shows moonrise, moonset and illumination; open Dark Sky Window for the full ephemeris card.
Tonight (23 Oct) astronomical darkness in Melbourne runs from 9:20 PM to 4:49 AM (GMT+11). This hub lists sunset, civil, nautical and astronomical dusk and the matching dawn times, plus when the Moon and planets are highest. Astronomical darkness starts when the Sun is 18° below the horizon.
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.