Satellite Passes Tonight — Forest Grove, OR

Live satellite pass predictions for Forest Grove, Oregon. Updated in real time.

Tonight's Visible Passes

THOR AGENA D R/B 8:56 PM
Max elevation 12°
Direction SW → NW
Duration 12 min
SL-3 R/B 9:05 PM
Max elevation
Direction WNW → NNE
Duration 11 min
SL-3 R/B 10:50 PM
Max elevation
Direction NW → NE
Duration 9 min
SL-3 R/B 12:33 AM
Max elevation 13°
Direction NNW → E
Duration 12 min
CSS (TIANHE) 4:33 AM
Max elevation 47°
Direction W → ESE
Duration 10 min
ISS (ZARYA) 5:13 AM
Max elevation 33°
Direction W → ENE
Duration 11 min

Predictions computed at 1:08 PM. Times shown in local time.

Full Pass Predictions

Interactive predictions with weather, viewing conditions, and more satellites.

Tonight

🛰️ Satellite Passes

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Satellite Watching in Forest Grove

Best Viewing Season

Summer (July–September)

Weather Conditions

The PNW is famously cloudy from October through June. Summer offers a dramatic improvement with long, clear evenings. The rain shadow east of the Cascades is significantly clearer year-round.

Light Pollution

Forest Grove has a Bortle class of 6 (suburban skies — ISS and bright satellites visible). The Pacific Northwest region averages about 75 clear nights per year.

Launch Visibility

Not visible from the Pacific Northwest.

Not typically visible, though very powerful launches heading south from Vandenberg have produced visible exhaust plumes in southern Oregon during twilight.

Viewing Tips for Forest Grove

Summer is prime time — the long twilights extend the satellite viewing window. Eastern Oregon and Washington (Goldendale, John Day) offer far clearer and darker skies than the wet west side.

Best Time to Watch

Check for passes during the first 2 hours after sunset or before sunrise. This is when satellites catch sunlight against a dark sky.

What to Look For

Satellites look like steady, bright stars moving smoothly across the sky. They don't blink like airplanes.

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