Aurora Borealis in Bellevue
United States · 47.61°, -122.20° · geomagnetic 53.1° · needs Kp 7
Tonight's aurora forecast for Bellevue
1%
Peak chance of a visible display tonight, from the same model the Revon app runs. Bellevue needs Kp 7 to see anything at all, and tonight the forecast peaks at Kp 4.7. Short of the threshold, which is what most nights look like here.
Get the full 30-night forecast in Revon
Updated 2026-09-08 10:36 UTC
Local aurora guide for Bellevue
Bellevue is at 53.1° geomagnetic latitude. Auroras are typically visible at this latitude during intense geomagnetic storms, which are classified as Kp 7 or higher.
On average, there are about 3.2 nights per year in Bellevue where conditions are suitable for aurora viewing. This is based on historical data spanning from 2016 to 2026.
The best months for aurora viewing in Bellevue are May, August, and September. These months offer a good balance of darkness and potential aurora activity.
Bellevue experiences a Bortle 8 sky, indicating significant light pollution. For darker skies, a Bortle 4 rating can be found approximately 36 km east-south-east near King County.
Several parks and bodies of water offer potential viewing locations with varying horizons. These include Bellevue Highlands Park to the east-north-east, Cherry Crest Park to the north-north-east, Cozy Cove and Fairweather Bay to the north-north-west, and Lake Washington to the west-north-west.
Bellevue Highlands Park is located 4.0 km east-north-east of Bellevue.
Cherry Crest Park is situated 4.0 km north-north-east of Bellevue.
Cozy Cove is a bay 4.4 km north-north-west of Bellevue, and Fairweather Bay is a bay 4.5 km north-west of Bellevue. Lake Washington, a large lake, is 4.8 km west-north-west of Bellevue.
There have been 60 verified aurora reports within 300 km of Bellevue between January 1, 2015, and December 31, 2016.
Notable aurora events in the historical record include nights with Kp values of 7.0 on March 20, 2026, 7.67 on January 20, 2026, 8.67 on January 19, 2026, 7.33 on November 12, 2025, and 8.67 on November 11, 2025.
Sources: Revon analysis of NOAA planetary Kp · Falchi 2016 World Atlas of artificial night sky brightness · GeoNames (CC BY 4.0) · Aurorasaurus verified positive reports
Know when it is worth going outside
Revon watches the Bellevue forecast and pushes an alert when the odds for tonight clear your threshold — no checking, no guessing.
Nearby towns
Forecasts for places within reach of Bellevue.