Aurora Borealis in Corner Brook

Canada · 48.95°, -57.95° · geomagnetic 57.9° · needs Kp 7

Tonight in Corner Brook

24%

Peak chance of a visible display tonight, from the same model the Revon app runs. Corner Brook needs Kp 7 to see anything at all, and tonight the forecast peaks at Kp 5.7. Short of the threshold, which is what most nights look like here.

Tonight Sun 02 Aug
24%
18
20
22
00
02
04
06
Tomorrow Mon 3 Aug
3%
Hour-by-hour for this night is in the app
Tuesday Tue 4 Aug
2%
Hour-by-hour for this night is in the app

Unlock every hour in the app

Updated 2026-08-02 20:20 UTC

The next 30 nights in Corner Brook

Every night to come, scored the same way as tonight. The best of the open week is Sunday 2 Aug at 24%. Not one of the seven reaches the Kp 7 that Corner Brook needs, which is normal rather than unlucky — it averages 3.1 viable nights a year. The 23 nights past the seven-day window move with the 27-day solar rotation and are updated daily in the app.

Low activity for the next few days. Moderate aurora expected on August 19th.

Sun 2
24%
Kp 5.7
Mon 3
3%
Kp 3.3
Tue 4
2%
Kp 1.4
Wed 5
3%
Kp 3.0
Thu 6
3%
Kp 3.0
Fri 7
2%
Kp 2.0
Sat 8
2%
Kp 2.0

Nights 8–30 unlock in the Revon app

See all 30 nights for Corner Brook

Revon aurora model over the NOAA Kp forecast and 27-day outlook

How often the aurora borealis reaches Corner Brook

3.1 nights a year, averaged across 10.0 years of records

Storm levelNights / year
Kp 483.4
Kp 528.7
Kp 69.3
Kp 73.2
Kp 81.2

NOAA planetary Kp, 2016-04-02 to 2026-03-30

Wait for an alert; do not book a week

At Kp 7, Corner Brook needs a severe geomagnetic storm before anything shows above the northern horizon. Storms that size arrive a handful of times per solar cycle and announce themselves a day or two ahead. Watching for one beats picking dates and hoping.

Hours of true darkness, month by month

JanFebMarAprMayJunJulAugSepOctNovDec
11.510.38.76.43.60.02.35.47.99.811.311.9

Solar declination and hour angle at −18°

Nothing to see from June

Through those months the sun never falls more than 18° below the Corner Brook horizon, so the sky never darkens fully. Plan around the darker half of the year.

Getting clear of the light

Corner Brook is small enough that its own lights are a minor problem — the centre reads Bortle 2. Walking to the edge of town is often escape enough.

Falchi 2016 World Atlas (DOI: 10.5880/GFZ.1.4.2016.001)

The months that actually deliver

Counting only nights that were both stormy enough and dark enough, May, September and August came out ahead in Corner Brook. That is storm season and darkness overlapping — the equinoxes tend to be geomagnetically active, and the nights are already long by then.

Darkest nights of the coming year

A bright moon washes out a weak display as effectively as street lighting. These new moons fall inside the Corner Brook viewing season.

Where it is close to a certainty

If you would rather plan a trip than wait for a storm, the nearest place with genuinely frequent aurora is Nuuk, 1,734 km north in Greenland.

Corner BrookNuuk
Kp needed73
Nights per year3.1 171.4
Geomagnetic latitude57.9° 72.6°

See the Nuuk forecast

Where the horizon opens up near Corner Brook

The display sits low on the northern horizon, so what beats a better forecast is open ground facing that way. Height gets you above the town glow; water gives you an unbroken skyline. These are within a short drive of Corner Brook.

Places from GeoNames (CC BY 4.0)

Where to stay

Anywhere on the outskirts of Corner Brook will do; what matters is being able to step outside and check the sky without a drive first.

Places from GeoNames (CC BY 4.0) — confirm before booking

The last nights it was visible here

Nights in the last decade when the storm was strong enough for Corner Brook and the sky was dark enough to show it.

DatePeak
2026-03-20Kp 7.0
2026-01-20Kp 7.67
2026-01-19Kp 8.67
2025-11-12Kp 7.33
2025-11-11Kp 8.67

NOAA planetary Kp

Know when it is worth going outside

Revon watches the Corner Brook forecast and pushes an alert when the odds for tonight clear your threshold — no checking, no guessing.

Get aurora alerts on iPhone

Common questions about the aurora borealis in Corner Brook

Can you see the aurora borealis from Corner Brook?

Yes. On the last 10.0 years of NOAA Kp records, Corner Brook had about 3.1 nights a year when the storm was strong enough and the sky dark enough at the same time.

What Kp index do you need to see the aurora borealis in Corner Brook?

Kp 7. Corner Brook sits at geomagnetic latitude 57.9°, and the auroral oval only reaches that far from the pole once activity hits Kp 7. Storms that size occur about 3.2 nights a year.

When is the best time of year to see the aurora borealis in Corner Brook?

May, September and August. Those months scored highest once both conditions are counted together: geomagnetic activity and enough hours of real darkness. From June the sky over Corner Brook never gets fully dark, so nothing is visible however strong the storm.

Where can you escape the light pollution near Corner Brook?

The centre of Corner Brook reads Bortle 2. The nearest sky at Bortle 2 is about 7 km north-north-west. On a marginal night that drive matters more than the forecast does.

Where is the nearest place to Corner Brook with reliable aurora borealis?

Nuuk, Greenland — 1,734 km north. It needs only Kp 3 and averages 171.4 viable nights a year against 3.1 in Corner Brook.

Nearby towns

Forecasts for places within reach of Corner Brook.