TonightAurora
Tonight · — · Bergen, Norway

Aurora tonight in Bergen

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Crunching NOAA Kp, cloud cover, moon phase and darkness for Bergen…

connecting to NOAA SWPC + Open-Meteo…

Can you see the aurora borealis from Bergen?

Bergen is a step or two outside the routine aurora belt. Displays happen, but they arrive with geomagnetic activity rather than as a winter fixture.

Bergen is the honest counter-example in this list. Its threshold is Kp 4, but the threshold is almost never the problem: Bergen is one of the rainiest cities in Europe, and on the rare clear winter nights a Kp 4 display over the fjord is genuinely spectacular. Most nights, cloud is the only factor that matters.

Country
Norway
Magnetic latitude
60.4°N
Geographic latitude
60.39°
Aurora threshold
Kp 4
Light pollution
Bortle 6
Deep-dark nights / yr
236
Sun at solar midnight
53° below horizon
Midnight sun
none

When to look: the Bergen aurora season

The dates worth planning around at Bergen are **25 Aug** to **17 Apr**. Inside that run the sun clears 18° below the horizon on 236 nights and the sky is dark enough for a faint arc to register; outside it you are relying on twilight and luck. The counter-season is just as clearly defined: from about **18 Apr** to **24 Aug** (129 nights) the sun never gets 18° below the horizon, so the sky never reaches full darkness, and between roughly 7 May and 5 Aug it does not get properly dark at all — no display, however strong, is visible in that stretch.

The dark half of the year at Bergen delivers a genuinely black sky, with the sun 53° below the horizon at its deepest. The bright half is the trade-off: from around 18 Apr to 24 Aug the sun stays above 18° below the horizon, and nothing short of a major storm has a chance.

Where to go in Bergen

When a clear night does arrive, get out of the city bowl — the surrounding hills lift you above the town's light and, often, above the low cloud that sits over the centre.

The aurora sits over the magnetic pole, so from Bergen you are looking toward magnetic north — which in practice means a spot with an open horizon in that direction and no streetlight in front of you. The "best window" in tonight's answer marks the first hour where cloud cover drops below roughly 40% while the sky is properly dark at this latitude.

What Kp do you need in Bergen?

Here is what each Kp value would actually put in Bergen's sky — the row that matters is the one at Kp 4, which is where this city's magnetic latitude of 60.4° places its threshold:

Kp indexWhat to expect at Bergen
Kp 0Not visible here. On these nights a trip north would be the only option. On those nights the forecast at the top of this page will say NO, and that is the honest answer.
Kp 1Not visible here. On these nights a trip north would be the only option. Nothing to plan around — save the trip for a stronger forecast.
Kp 2Faint glow on the northern horizon, and only from genuinely dark ground outside the city. Check the cloud forecast before committing to the drive.
Kp 3Possible as a low smudge from a dark-sky site — the city's own light will beat it. Give your eyes 20 minutes to adapt before deciding it is a no.
Kp 4A real display at this level: arcs forming on the northern horizon with visible structure and motion. Worth clearing an evening for if the cloud cooperates.
Kp 5Worth clearing your evening for: structure, movement and colour, with rays extending high into the sky. Any genuinely open horizon will do at this level.
Kp 6A big night: the lights are overhead rather than on the horizon, moving quickly and showing strong colour. Give your eyes time to adapt — the colour is obvious once they do.
Kp 7Exceptional event (G4–G5). At this level the display can fill the whole sky above Bergen, not just the northern horizon. Find a wide-open horizon — at this level the display can move overhead.
Kp 8Once-a-cycle territory (G4–G5). Displays of this size have been seen overhead at latitudes like Bergen's. Rare enough that it is worth cancelling other plans for.
Kp 9Once-a-cycle territory (G4–G5). Displays of this size have been seen overhead at latitudes like Bergen's. Watch the live forecast through the evening; this level can build quickly.

At Bergen two conditions have to hold at once — roughly Kp 4 of geomagnetic activity, plus a clear sky. The three-hour Kp figure hides a lot of variation: substorms can deliver a bright ten minutes inside an otherwise quiet interval. If the verdict above reads MAYBE, the geomagnetic side is usually not the problem; cloud is.

How tonight's answer is calculated for Bergen

Tonight's verdict for Bergen weights five inputs: the live Kp forecast measured against this city's own Kp 4 threshold (35%), night-average cloud cover at 60.39°, 5.32° (25%), moon illumination (15%), the astronomical darkness window computed for this latitude (15%), and light pollution at Bortle class 6 (10%). The method, its data sources and its known limitations are documented on our methodology page. No signup, no app, no account — the page computes everything in your browser from NOAA and Open-Meteo directly. Anonymous analytics and Google's advertising script are the only third parties involved, and both are set out on our privacy page.

Bergen aurora — quick answers

What Kp do you need to see the aurora in Bergen?

About Kp 4. That number comes from Bergen's magnetic latitude (60.4°), not from its position on a map — and it is the figure the answer above uses. Two points further up, at Kp 6, you are into the range where the display has obvious structure and colour rather than a faint arc.

When is the best time to see the northern lights in Bergen?

The season here is set by the sun rather than the calendar: full astronomical darkness runs from about 25 Aug to about 17 Apr, 236 nights in total. The 129 nights between roughly 18 Apr and 24 Aug never get dark enough, and the engine returns NO through them rather than overstating what you would see.

How accurate is tonight's aurora forecast for Bergen?

Five inputs, refreshed every 15 minutes: the NOAA SWPC Kp forecast, hourly cloud cover for Bergen's coordinates from Open-Meteo, the moon, this latitude's astronomical darkness window, and Bortle 6 skies. Where the science genuinely cannot resolve the night ahead — substorm timing inside a three-hour Kp interval — the page says MAYBE instead of inventing certainty.

How dark does it actually get in Bergen?

Dark enough for a genuinely black sky on 236 nights a year, with the sun sitting 53° below the horizon at its deepest. The exception is roughly 18 Apr to 24 Aug, when it never gets 18° below and full darkness never arrives.

Can you see the aurora from Bergen city centre?

Only when the display is strong. Bortle 6 means the city's own light is competing with the aurora, and at Kp 4 it usually wins from the centre. Give yourself 20–40 minutes of driving and the same night looks substantially better.

Nearby & similar aurora cities

Tromsø, Norway

Tier 1 · needs Kp 2 · Bortle 4. Live answer for Tromsø tonight.

Alta, Norway

Tier 1 · needs Kp 2 · Bortle 3. Live answer for Alta tonight.

Trondheim, Norway

Tier 1 · needs Kp 3 · Bortle 5. Live answer for Trondheim tonight.

Oslo, Norway

Tier 1 · needs Kp 4 · Bortle 7. Live answer for Oslo tonight.