Northern lights over Rouen tonight — aurora forecast
Live geomagnetic conditions vs what Rouen, France actually needs to see the aurora borealis (northern lights).
⚪ Unlikely tonight
Current activity is below what this location needs — enable an alert and we'll ping you when a storm changes that.
Kp now
3
Tonight's max (forecast)
2.67
Rouen needs
Kp 8.3
Geomagnetic lat.
44.6°
Live data: NOAA SWPC planetary K-index · refreshes every 30 min · get a free storm alert
🌌 Get the aurora call before you step outside
Aurora over Rouen needs Kp 8.3. We email you the moment tonight's forecast reaches it — free.
Free · no account · unsubscribe anytime
✈ Telegram✦ Cosmik Pro
Get an alert the night Rouen can actually see it
Tonight's Kp vs the Kp Rouen needs (Kp 8.3), plus cloud cover over Rouen — sent when a storm is forecast.
🔒 Secure checkout by Stripe · cancel anytime
No aurora is ever guaranteed — Pro tells you when it's genuinely worth stepping outside.
What it takes to see the aurora borealis (northern lights) from Rouen
Aurora visibility is set by your geomagnetic latitude — your position relative to Earth's magnetic pole, not the geographic one. Rouen sits at 44.6° geomagnetic. The auroral oval hovers near 66° in quiet conditions and expands toward the equator as geomagnetic storms strengthen: roughly 2° per step of the Kp index. For Rouen only severe storms (Kp 8.3+) — a few nights per solar cycle, like the May 2024 superstorm — bring the aurora into view low on the northern horizon.
How to actually catch it
- Get away from city lights with a clear view of the northern horizon — light pollution is the #1 killer of borderline displays.
- Best window: 22:00–02:00 local time; best seasons: around the equinoxes, and dark winter months at high latitudes.
- Your camera sees more than your eyes: a 5-10s phone night-mode exposure reveals green/red glow invisible to the naked eye.
- Storms spike with little warning — get a free storm alert and check Aurora forecast when Kp jumps.
FAQ
Can I see the northern lights tonight in Rouen?
Unlikely: tonight's Kp is 3, below the Kp 8.3 Rouen needs. A free Cosmik alert emails you the moment the forecast reaches it. Updated every 30 minutes from NOAA SWPC data.
Can you see the aurora from Rouen?
Yes, when geomagnetic activity is strong enough. Rouen sits at geomagnetic latitude 44.6°, which means the aurora becomes visible on the northern horizon at roughly Kp 8.3 — only during severe geomagnetic storms.
What Kp index does Rouen need for aurora?
About Kp 8.3. The auroral oval sits near 66° geomagnetic latitude in quiet conditions and pushes roughly 2° toward the equator with each Kp step; Rouen's geomagnetic latitude is 44.6°. You don't need the oval directly overhead — NOAA notes the aurora can be seen on the horizon from up to 1000 km away, but that reach grows with the storm: this figure credits none of it near the oval, where low-Kp aurora is faint and low, and up to 2.5 Kp at mid-latitudes, where storm aurora is tall and bright.
Which direction should I look for the aurora in Rouen?
North. From Rouen the auroral oval lies toward the north magnetic pole, so the aurora appears low on the northern horizon first. Pick a spot with an open northward view, away from city lights — your phone's night mode picks up glow your eyes miss.
When is the best time to see the aurora?
Around local midnight (22:00–02:00), on dark clear nights away from city lights, and statistically around the equinoxes (March/April and September/October). Solar maximum — happening now — delivers the most storms.
Aurora forecasts for cities near Rouen
- Aurora forecast for Paris — needs Kp 8.6
- Aurora forecast for Brighton — needs Kp 7.7
- Aurora forecast for Lille — needs Kp 7.8
- Aurora forecast for Reims — needs Kp 8.4
- Aurora forecast for Portsmouth — needs Kp 7.7
- Aurora forecast for Tours — needs Kp 9.5
This city elsewhere on Cosmik
- ISS over Rouen — tonight's pass times
- Solar eclipse of 2 Aug 2027 from Rouen: 49% of the Sun covered — times
More from the sky over Rouen
The aurora isn't the only show: the ISS passes over Rouen on a predictable schedule, the Sun's live flare level tells you when the next storm is brewing, and Cosmik's live 3D map shows everything in orbit right now.
