Horizon Hour

When to see the Milky Way in Lisbon, Portugal

Thursday, October 29, 2026 · local time

The Milky Way core is not well placed tonight: it is below 10°, the sky isn't fully dark while it's up, or a bright Moon is in the sky.

Best nights in the coming months

Night ofCore visibleWindowMax height
Mon, May 3123:49 – 4:194h 30m22°
Thu, Jun 323:32 – 4:124h 40m22°
Fri, Jun 423:33 – 4:134h 40m22°
Sat, Jun 523:24 – 4:144h 50m22°
Sun, Jun 623:25 – 4:154h 50m22°
Mon, Jun 723:16 – 4:064h 50m22°
Tue, Jun 823:17 – 4:074h 50m22°
Tue, Jun 2923:03 – 3:534h 50m22°
Wed, Jun 3023:03 – 3:434h 40m22°
Thu, Jul 123:03 – 3:434h 40m22°

Milky Way season

October 20260 of 3
November 20260 of 30
December 20260 of 31
January 20270 of 31
February 20271 of 28
March 202717 of 31
April 202720 of 30
May 202723 of 31
June 202724 of 30
July 202722 of 31
August 202719 of 31
September 202716 of 30
October 20273 of 31
November 20270 of 30
December 20270 of 31
January 20280 of 3

Nights per month with at least 20 minutes of good viewing.

We count a night when the galactic centre is at least 10° above the horizon, the sky is fully dark (between astronomical dusk and dawn) and the Moon is below the horizon or less than 25% lit. City lights matter too: see the nearest dark area on the night sky page.