Locations/Sydney
Sydney
Stargazing tonight
New South Wales · ~33.9°S·-33.87°, 151.21°·~Bortle 9 · Inner city
Sydney faces classic southern skies — Magellanic Clouds, Crux, and a winter Milky Way over the Tasman. Coastal humidity fights inland Blue Mountains clarity on many nights.
Southerly changes often scrub the air for excellent post-frontal transparency.
Current sky · Clear night
Tonight
61
Maybe
Maybe tonight — no astronomical dark
Tonight score for Sydney blends cloud, dew, transparency, astronomical dark, and the moon — current sky looks clear night.
- 35% cloud
- low dew
- transparency n/a
- no astro-dark window
- moon 5% lit
- Sunset: 5:22 PM
- Dark starts: 6:47 PM
- Dark ends: 5:13 AM
- Moonrise: 6:12 AM
- Sunrise: 6:37 AM
- Astronomical dark (navy arc)
- Moonless (thin gold arc)
- Best clear window time: 4:00 AM – 5:00 PM (13h)
Markers label sunset, dark start/end, moonrise/set, sunrise, and now using local time (Australia/Sydney).
Planning canvas
Weather facts, cloud timing, moon phase, week outlook, and ISS visibility in one continuous view.
Tonight cloud
35%
Transparency
Unavailable
Dew risk
Low
Cloud layers
Cloud timing chart
Low / mid / high cloud layers, rain risk, dew, and astronomical-dark hours.
Best clear window Thursday
4:00 AM – 5:00 PM (13h)
Quality excellent · mean cloud 0% · humidity 77%
Cloud layers · Next 24h
Tonight avg 25%
Ephemeris
Moon & dark window
Moonless astronomical darkness (sun below -18 deg) for deep-sky timing in Sydney.
Moonless dark window
10h 26m
6:47 PM - 5:13 AM
Waning Crescent (5% lit)
- Moon rise / set
- 6:12 AM / 4:45 PM
- SunsetSunrise
- 5:22 PM / 6:37 AM
Local timezone: Australia/Sydney
7 nights
Week outlook
Scored nights from cloud, dew, transparency, and dark hours.
7-night outlook
Score · cloud · dew · dark
Best night this week: Wed · 72 (Go)
Tonight
54Maybe
35% cloud
67% · low dew
No astro dark
Tomorrow
66Maybe
20% cloud
68% · low dew
2h dark
Wed · best
72Go
6% cloud
70% · low dew
2h dark
Thu
67Maybe
0% cloud
77% · moderate dew
2h dark
Fri
53Maybe
34% cloud
85% · moderate dew
2h dark
Sat
47Maybe
49% cloud
84% · moderate dew
2h dark
Sun
47Maybe
49% cloud
77% · moderate dew
2h dark
Next worth going out
ISS pass
Better pass: Wed 8:25 AM · mag -3.4 · 53° · 8m
Prefill tools
Open with this location
Free planning tools with coordinates set. These city pages are shortcuts, not locked forecasts.
Questions
FAQ
- Is tonight good for stargazing in Sydney?
- Tonight’s live score for Sydney is 61/100 (Maybe), from cloud, dew, transparency, astronomical dark, and the moon. Then review the hourly cloud chart and moon window below, or open the full weather tool.
- What is the best time to stargaze tonight?
- The best clear window is 4:00 AM–5:00 PM local (13h, mean cloud 0%). Moonless astronomical darkness runs about 10h 26m tonight (6:47 PM–5:13 AM local), with the moon 5% illuminated (Waning Crescent).
- When is the moonless dark window in Sydney?
- Moonless astronomical darkness runs about 10h 26m tonight (6:47 PM–5:13 AM local), with the moon 5% illuminated (Waning Crescent). Times are shown in Australia/Sydney. Open Dark Sky Window for the full ephemeris card.
- When can I see the ISS from Sydney?
- ISS passes are only spottable near dusk or dawn when the sky is dark and the station is still sunlit. This page recommends the next pass worth going outside for (brightness, elevation, duration) and flags a better upcoming pass when one is near. If Tonight score is Skip, prefer bright passes and check hourly weather before you wait outside.
- Which night looks best this week?
- Best night this week looks like Wed (score 72, Go). Open Stargazing Weather for the full 7-night outlook with cloud, dew, and dark hours.
- How dark are the skies in Sydney?
- Light pollution at the city coordinates is about Bortle 9 (Inner city, modelled estimate). Use Dark Sky Finder to compare nearby darker sites.
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