TonightAurora
Tonight · — · Paris, France

Aurora tonight in Paris

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

connecting to NOAA SWPC + Open-Meteo…

Can you see the aurora borealis from Paris?

To see the aurora from Paris you need a serious geomagnetic storm: the city is far enough from the oval that ordinary activity never reaches it, and the nights when it does are memorable precisely because they are rare.

Paris needs Kp 8 — a G4 storm — which in practice means a handful of nights per solar cycle. The city sits far enough south that the aurora only appears during severe geomagnetic storms, and the light pollution here is intense, so sightings tend to be reported from the surrounding countryside by people who went looking deliberately.

Country
France
Magnetic latitude
48.9°N
Geographic latitude
48.86°
Aurora threshold
Kp 8
Light pollution
Bortle 9
Deep-dark nights / yr
328
Sun at solar midnight
64.6° below horizon
Midnight sun
none

When to look: the Paris aurora season

Paris has 328 genuinely dark nights a year, from about **10 Jul** through to about **2 Jun**. That figure comes out of the city's own latitude rather than a regional rule of thumb, which is why it can sit weeks away from a neighbouring city. The counter-season is just as clearly defined: from about **3 Jun** to **9 Jul** (37 nights) the sun never gets 18° below the horizon, so the sky never reaches full darkness, though the sky stays dark enough in the early hours that a bright display is still worth looking for.

The nights here do get genuinely dark — the sun bottoms out 64.6° below the horizon in midwinter. But for roughly 3 Jun to 9 Jul it never gets that low, and the sky stays too bright for anything but the strongest displays. The season is therefore defined by dark nights, not by calendar dates.

Where to go in Paris

You need to leave the city and its suburbs entirely; open farmland thirty to sixty minutes out, with the glow of Paris firmly behind you, is the minimum.

One practical rule covers most of it: from Paris the aurora appears in the northern sky, so plan the spot around that view rather than the forecast. The "best window" above is the earliest hour tonight where cloud cover drops below roughly 40% and the sky at this latitude is genuinely dark.

What Kp do you need in Paris?

Kp is a planetary number, and the only way to read it usefully is against this city's own threshold. For Paris that threshold is Kp 8, set by a magnetic latitude of 48.9°:

Kp indexWhat Kp means in Paris
Kp 0Not 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 1Not visible here. On these nights a trip north would be the only option. Worth knowing so that a quiet night reads as expected rather than disappointing.
Kp 2Not 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 3No display at this latitude; the activity is confined north of Paris. Nothing to plan around — save the trip for a stronger forecast.
Kp 4No display at this latitude; the activity is confined north of Paris. Worth knowing so that a quiet night reads as expected rather than disappointing.
Kp 5Nothing from Paris — the oval stays too far north. On those nights the forecast at the top of this page will say NO, and that is the honest answer.
Kp 6Marginal: expect at most a dull arc low in the north, and only away from town. Check the cloud forecast before committing to the drive.
Kp 7Possible 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 8A real display at this level: arcs forming on the northern horizon with visible structure and motion. A clear sky is the deciding factor at this level.
Kp 9Strong showing — tall rays, obvious colour, and curtains that reach well above the horizon. This is the range where phone cameras start to work.

At Bortle class 9, Paris's own light is the biggest single obstacle between the forecast and what you actually see. A Kp 8 night that shows beautifully from open country shows as nothing from a lit street. When the verdict above is GO or MAYBE, budget the drive out of town into the evening.

How tonight's answer is calculated for Paris

The score above is built from five weighted factors, each using Paris's own figures rather than a regional default: Kp against a local threshold of 8 (35%), cloud cover averaged across the dark hours at 48.86°, 2.35° (25%), moon illumination (15%), this latitude's astronomical darkness window (15%) and Bortle 9 light pollution (10%). The scoring method, its inputs and its failure modes are written up in full on our methodology page. No account, no app, no email address — everything above is computed in your browser from NOAA and Open-Meteo data. Anonymous analytics and Google's advertising script are the only third parties involved, both explained on the privacy page.

Paris aurora — quick answers

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

The number that matters here is Kp 8, the point at which the oval reaches Paris's magnetic latitude of 48.9°. Treat it as the start of the window rather than the peak: the display gains height and structure as the index climbs, and this is the level the verdict above is measured against.

Can you see the aurora from Paris city centre?

The centre is the wrong place on almost every night. At Bortle 9 the light dome swallows anything short of a strong display, and at Kp 8 the aurora arrives as a faint, low arc. Head out of town and the same forecast looks completely different.

How dark does it actually get in Paris?

Dark enough for a genuinely black sky on 328 nights a year, with the sun sitting 64.6° below the horizon at its deepest. The exception is roughly 3 Jun to 9 Jul, when it never gets 18° below and full darkness never arrives.

How accurate is tonight's aurora forecast for Paris?

Five inputs, refreshed every 15 minutes: the NOAA SWPC Kp forecast, hourly cloud cover for Paris's coordinates from Open-Meteo, the moon, this latitude's astronomical darkness window, and Bortle 9 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.

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

Plan around roughly 10 Jul to 2 Jun. Those dates are computed for Paris's own coordinates — 328 nights on which the sun reaches 18° below the horizon. From about 3 Jun to 9 Jul, by contrast, the sky never goes properly black here, and no storm is strong enough to change that.

Nearby & similar aurora cities

Berlin, Germany

Tier 3 · needs Kp 7 · Bortle 9. Live answer for Berlin tonight.

Hamburg, Germany

Tier 3 · needs Kp 6 · Bortle 9. Live answer for Hamburg tonight.

Toronto, Canada

Tier 3 · needs Kp 7 · Bortle 9. Live answer for Toronto tonight.