Visible passes over South Portland in the next 72 hours
Forecast updated: Thu, Oct 1, 12:30:58 AM
No visible ISS passes are predicted in the next 72 hours.
The ISS still passes nearby, but it may be in Earth’s shadow or your sky may be too bright.
ISS passes near this city
Live ISS position and visible pass forecast for South Portland, United States, with local times, directions, elevation and cloud cover.
Common questions about seeing the ISS in South Portland
When is the next visible ISS pass over South Portland?
The forecast on this page lists visible passes for the next 72 hours in South Portland’s local timezone, including start, peak, end, direction and elevation.
Can I see the ISS from South Portland without a telescope?
Yes. During a visible pass it looks like a bright, steady star moving quickly across the sky above South Portland.
Why isn’t every overhead pass listed for South Portland?
A pass is only listed when the ISS is sunlit while the sky over South Portland is dark enough, and the station is at least 10° above the horizon.
Does weather affect viewing the ISS from South Portland?
Yes. Cloud cover in the forecast helps you judge whether the sky will be clear enough during a pass over South Portland.
Data sources
Weather forecast data from MET Norway (CC BY 4.0).
Orbit epoch: Sep 30, 2026, 11:09:48 AM UTC
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Next visible ISS pass
No visible pass is currently predicted in the next 72 hours.
This forecast uses South Portland's coordinates and local timezone to calculate when the ISS is sunlit, at least 10 degrees above the horizon and crossing a dark enough sky.
Viewing location
43.6415°, -70.2409° · America/New_York