Moderate Activity 🌒 12% Updated live

Aurora Forecast for
Sammamish Tonight

Current northern lights conditions for Sammamish, Washington, United States. Latitude 47.6°N · AACGM-v2 magnetic latitude 52.6°N.

Quick Summary: The estimated northern lights outlook for Sammamish peaks at 0% over the next 24 hours. No suitable viewing window.

Aurora forecast

0%

Estimated

Highest estimate · next 24 hours

Viewing window

No suitable viewing window

America/Los_Angeles

Kp index

3.33

Moderate

Planetary geomagnetic activity

Cloud cover

19%

Clear skies

Current sky visibility

Aurora

Tonight's Verdict

Low aurora probability in Sammamish tonight. Check back tomorrow for updated conditions.

Hourly Forecast · Estimated

19
19:00 — 0%
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23:00 — 0%
00:00 — 0%
01
01:00 — 0%
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04:00 — 0%
05:00 — 0%
06:00 — 0%
07
07:00 — 0%
08:00 — 0%
09:00 — 0%
10:00 — 0%
11:00 — 0%
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13
13:00 — 0%
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15:00 — 0%
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17:00 — 0%
18:00 — 0%
19:00 UTC01:00 UTC07:00 UTC13:00 UTC18:00 UTC
Time (UTC)Estimated (%)
2026-10-14T19:00:00.000Z0%
2026-10-14T20:00:00.000Z0%
2026-10-14T21:00:00.000Z0%
2026-10-14T22:00:00.000Z0%
2026-10-14T23:00:00.000Z0%
2026-10-15T00:00:00.000Z0%
2026-10-15T01:00:00.000Z0%
2026-10-15T02:00:00.000Z0%
2026-10-15T03:00:00.000Z0%
2026-10-15T04:00:00.000Z0%
2026-10-15T05:00:00.000Z0%
2026-10-15T06:00:00.000Z0%
2026-10-15T07:00:00.000Z0%
2026-10-15T08:00:00.000Z0%
2026-10-15T09:00:00.000Z0%
2026-10-15T10:00:00.000Z0%
2026-10-15T11:00:00.000Z0%
2026-10-15T12:00:00.000Z0%
2026-10-15T13:00:00.000Z0%
2026-10-15T14:00:00.000Z0%
2026-10-15T15:00:00.000Z0%
2026-10-15T16:00:00.000Z0%
2026-10-15T17:00:00.000Z0%
2026-10-15T18:00:00.000Z0%
How to read this forecast

The next 24 hours use calculated local darkness and a retained aurora activity heuristic. They are not a measured or statistically calibrated chance of seeing aurora. Aggregate cloud cover is held constant unless a timed weather forecast is available.

Generated 2026-10-14T18:28:07.664Z. Kp: fresh · observation 2026-10-14T18:00:00.000Z. Cloud: fresh · cache refresh 2026-10-14T18:15:32.021+00:00. Overall model: estimated.

Window: No suitable viewing window. A dash marks a missing input; zero means the model found no visibility under the supplied conditions.

27-Day Forecast

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Oct 15

Kp Index •••
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Oct 16

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Oct 17

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About Aurora Viewing in Sammamish

Sammamish, United States, is at 47.6°N. Aurora visibility depends on local conditions as well as geomagnetic activity. Its verified magnetic latitude is 52.6°N; Kp 5–7 is an approximate screening range, not a visibility probability. Even favourable activity can be hidden by clouds or daylight. Find a dark, open northern horizon and check the sky before travelling.

Follow forecasts, cloud maps and aurora alerts for Sammamish in Aurora Hunt, then confirm darkness, local cloud and access before going outside.

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Frequently Asked Questions

Can you see aurora in Sammamish tonight?
Aurora visibility in Sammamish depends on geomagnetic activity (Kp index), cloud cover, and darkness. At 47.6°N latitude, Sammamish typically needs a Kp index of 5–7 for visible aurora. Check the real-time forecast above for tonight's conditions.
What time is best to see northern lights in Sammamish?
The best time to see aurora in Sammamish is typically between 10 PM and 2 AM local time, when skies are darkest. Aurora can appear any time after astronomical twilight, but peak activity usually occurs around local midnight.
Where to watch aurora in Sammamish?
For the best aurora viewing in Sammamish, find a location away from city light pollution with a clear view to the north. Dark areas outside the city center, elevated viewpoints, and spots near water are ideal. Check cloud cover before heading out.
What Kp index is needed to see aurora in Sammamish?
Sammamish is at 47.6°N latitude and typically requires a Kp index of 5–7 for visible aurora. Higher Kp values mean stronger geomagnetic storms and better aurora visibility, even at lower latitudes.
Is Sammamish, United States a good place to see northern lights?
Sammamish can see aurora during strong geomagnetic storms. Located at 47.6°N, aurora is visible when Kp index reaches 5–7 or higher.

Nearby Aurora Destinations

Redmond

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City of Sammamish

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Union Hill-Novelty Hill

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West Lake Sammamish

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Klahanie

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Bellevue

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