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Located at a northern latitude, Washington state occasionally offers the mesmerizing spectacle of the aurora borealis, or northern lights. However, due to its lower latitude compared to places like Alaska or Scandinavia, the chances of witnessing this natural light show in Washington are relatively rare compared to higher latitudes.
For those hoping to catch a glimpse of the northern lights in Washington, the best times to look out for them are during periods of high solar activity, typically during the fall and spring equinoxes. Clear, dark nights away from light pollution are ideal conditions for spotting the aurora.
While sightings in Washington are not as common as in more northern regions, they do occur sporadically, especially in the eastern parts of the state where the skies are darker. Keeping an eye on aurora forecasts and being patient can increase your chances of experiencing this magical phenomenon in the Evergreen State.
The current aurora chance for Washington is None. That rating is useful, but it works best when you combine it with darkness, weather, and the fact that some cities simply need stronger geomagnetic activity than others.
A none or near-none chance in Washington usually means tonight is not a strong aurora setup for this location. It is still useful context, because you can compare later updates or look at cities farther north for better odds.
Washington is far enough south that strong geomagnetic storms are usually needed before the northern lights become a realistic target. A promising forecast here is worth noticing, but weak or borderline setups often do not travel far enough south.
Washington is smaller than the biggest metro areas, but darkness still matters. Even when forecast activity is decent, clearer and darker skies outside the brightest built-up areas will usually improve your odds.
Use these pages to compare Washington with other forecast locations, understand why visibility changes, and plan the next place to watch.
Learn
Read these guides when the Washington forecast looks interesting but you still need help judging darkness, season, or viewing conditions.
The KP index is one of the most common numbers in aurora forecasts, but it works best as a rough guide, not a promise. Here is what it means and how casual northern lights watchers should use it.
The northern lights have been unusually active because Solar Cycle 25 is in its maximum phase, with high sunspot activity leading to more solar flares, coronal mass ejections, and stronger geomagnetic storms.
The northern lights still happen in summer, but long daylight, bright twilight, and short nights make them much harder to see across the U.S. and Canada.