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Aurora Forecast Tromsø

Live northern lights forecast for Tromsø, Norway — the aurora capital of the world. KP index, cloud cover and visibility score updated every 2 minutes.

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Latitude
69.65° N
Inside the auroral oval
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Polar Night
Nov 26 – Jan 15
24-hour aurora windows
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Clear Sky
~50% nights
Maritime but manageable
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Winter Temp
-4°C avg
Cold but not extreme

About Aurora in Tromsø

Tromsø at 69.65°N sits permanently inside the auroral oval— the ring around Earth's magnetic pole where aurora activity is most intense. Unlike Reykjavík or Oslo which need high KP levels to see aurora, Tromsø can see it at KP 2–3 on any clear night with favorable Bz. The city records aurora on roughly 100–200 nights per year.

Polar night — when the sun never rises above the horizon — runs from November 26 to January 15. This creates 51 consecutive days where the sky is perpetually dark enough to see aurora at any hour, day or night.

Live Forecast by Spot Near Tromsø

Real-time aurora scores — cloud cover fetched per location

Live — updated every 2 min
Kp Index
3
Bz (nT)
-3.3 nT
Solar Wind
393 km/s

Cloud cover fetched per GPS location · Solar wind is global · Auto-updates every 2 min

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Best Viewing Window in Tromsø

Best viewing window is 20:00–01:00 local time (UTC+1 in winter). During polar night, the aurora can appear at any hour — even midday. Geomagnetic midnight at Tromsø falls around 22:30 UTC+1, which is statistically the most active time.

Peak window
20:00–01:00 UTC+1
Magnetic midnight
~22:30 local
Min KP needed
KP 2 (Tromsø)

Book a Northern Lights Tour in Tromsø

Browse and book guided aurora tours from Tromsø directly below.

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