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Moon Phase in Portland Today

Sunday, August 30, 2026 · United States

Waning Gibbous

93% illuminated

Tonight’s Moon in Portland

Moonrise8:20 PM
Moonset9:19 AM
Peak Altitude21°
DirectionE

Best viewing at 10:45 PM facing E · 21° above horizon

The Moon & Portland

Population650K
Elevation15m
Clear Nights68/yr
Latitude45.5°N

Pacific Northwest cloud cover limits viewing opportunities

Lunar Culture in Portland

Portland's OMSI (Oregon Museum of Science and Industry) planetarium hosts lunar viewing events and features exhibits on the moon's role in Pacific Northwest indigenous cultures. The Chinook, Multnomah, and Clackamas peoples used lunar phases to time the annual salmon runs on the Columbia and Willamette Rivers. Portland's maker community includes a notable amateur telescope-building tradition.

How the Moon Affects Portland

The Columbia River's tidal influence extends well past Portland, with measurable lunar tides reaching upriver. These tidal patterns affect the timing of salmon and steelhead runs, which are critical to both commercial fishing and tribal treaty rights. The Willamette Valley's wine industry includes biodynamic winemakers who follow lunar planting and harvesting calendars.

Best Moon Viewing in Portland

Council Crest Park (330m) is the highest point in Portland and offers 360-degree views. Clear nights are rare, averaging only 68 per year, so check weather forecasts and seize cloudless evenings.

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Upcoming Lunar Events

Next Full MoonSaturday, September 26
Next New MoonThursday, September 10
🌑

New Moon

Thursday, September 10, 2026

🌕

Full MoonHarvest Moon

Saturday, September 26, 2026

🌑

New Moon

Saturday, October 10, 2026

🌕

Full MoonHunter's Moon

Sunday, October 25, 2026

🌑

New Moon

Sunday, November 8, 2026

🌕

Full MoonBeaver Moon

Tuesday, November 24, 2026

Moonphase Watches & Portland

Set Your Moonphase Watch in Portland

To set your moonphase complication in Portland: wait for the next full moon (Saturday, September 26), then advance the moonphase disc to show a full moon centered in the aperture. Set the time to 8:20 PM local time. Use our drift calculator to check if your complication has drifted since you last set it.

Open Drift Calculator

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Moon Phase in Nearby Cities