Aurora Forecast Tonight in Seattle
Aurora season in Seattle runs from September to April.
Aurora Forecast AI Tracker
Get aurora alerts for Seattle
Save Seattle in Aurora Forecast AI Tracker to follow the local Northern Lights forecast, hourly aurora visibility and best viewing window. Get notified when Kp activity, darkness and cloud cover create better chances to see the aurora.
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Best Months to See the Northern Lights in Seattle
Best: September to April Peak: January, February and March
September October November December January February March April
The aurora season in Seattle usually runs from September to April.
Seattle sits at 57.12° magnetic latitude, which means aurora typically becomes visible when the Kp index reaches 4.0+. While this high-latitude location offers potential, sightings are less frequent than in the far north. The best viewing season runs from September through April.
Other aurora viewing spots near Seattle
Frequently Asked Questions
What Kp index is needed to see the Northern Lights in Seattle?
In Seattle, a Kp index around 4+ usually gives a realistic chance of visible aurora, depending on darkness, clouds, and light pollution.
What are the best months to see the Northern Lights in Seattle?
The best months to see the Northern Lights in Seattle are typically September to April, when nights are darker and aurora viewing conditions are better.
Where is the best place to see the Northern Lights in Seattle?
The best places to see the Northern Lights in Seattle are dark areas away from city lights, with a clear view toward the northern horizon.