- 9 °C6 percent cloud cover
- 6 °C0 percent cloud cover
- 5 °C73 percent cloud cover
Northern Lights Forecast for Tromsø
Tromsø, Norway
69°38′57.1″N ⋅ 18°57′19.1″E
Aurora data last updated at
Current local time:
Aurora activity is expected to be moderate between 11 PM and 5 AM in Tromsø tonight. It does not get fully dark, so viewing conditions are poor even if aurora activity increases. Cloud cover around that time looks partly cloudy at 0% to 80%. You should have a decent chance of seeing the aurora if skies stay this clear.
Aurora activity is expected to be moderate between 11 PM and 5 AM in Tromsø tonight. It does not get fully dark, so viewing conditions are poor even if aurora activity increases. Cloud cover around that time looks partly cloudy at 0% to 80%. You should have a decent chance of seeing the aurora if skies stay this clear.
Aurora Forecast for Tromsø
Hourly aurora forecast for Tromsø
| Local time | Aurora activity |
|---|---|
| Moderate Activity | |
| Moderate Activity | |
| Moderate Activity | |
| Low Activity | |
| Low Activity | |
| No activity | |
| Low Activity | |
| Low Activity | |
| Moderate Activity | |
| Moderate Activity | |
| Moderate Activity | |
| Low Activity | |
| Low Activity | |
| Low Activity | |
| Low Activity | |
| Low Activity |
3-Night Weather Forecast for Tromsø
- 9 °C99 percent cloud cover
- 9 °C94 percent cloud cover
- 9 °C100 percent cloud cover
- 8 °C100 percent cloud cover
- 8 °C100 percent cloud cover
- 7 °C100 percent cloud cover
Sun & Moon
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Long-Term Aurora Forecast for Tromsø
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|
Thursday, May 21, 2026. Today. Moderate aurora activity. Aurora score 6 out of 10. Waxing crescent, 29% illumination | Friday, May 22, 2026. Moderate aurora activity. Aurora score 5 out of 10. First quarter, 40% illumination | Saturday, May 23, 2026. Moderate aurora activity. Aurora score 5 out of 10. First quarter, 50% illumination | Sunday, May 24, 2026. Low aurora activity. Aurora score 3 out of 10. First quarter, 61% illumination | |||
Monday, May 25, 2026. Low aurora activity. Aurora score 3 out of 10. Waxing gibbous, 71% illumination | Tuesday, May 26, 2026. Low aurora activity. Aurora score 3 out of 10. Waxing gibbous, 79% illumination | Wednesday, May 27, 2026. Moderate aurora activity. Aurora score 6 out of 10. Waxing gibbous, 87% illumination | Thursday, May 28, 2026. Moderate aurora activity. Aurora score 5 out of 10. Waxing gibbous, 93% illumination | Friday, May 29, 2026. Moderate aurora activity. Aurora score 5 out of 10. Full moon, 97% illumination | Saturday, May 30, 2026. Moderate aurora activity. Aurora score 5 out of 10. Full moon, 99% illumination | Sunday, May 31, 2026. Moderate aurora activity. Aurora score 5 out of 10. Full moon, 100% illumination |
Monday, June 1, 2026. Low aurora activity. Aurora score 3 out of 10. Full moon, 99% illumination | Tuesday, June 2, 2026. Low aurora activity. Aurora score 3 out of 10. Waning gibbous, 96% illumination | Wednesday, June 3, 2026. Low aurora activity. Aurora score 3 out of 10. Waning gibbous, 91% illumination | Thursday, June 4, 2026. Moderate aurora activity. Aurora score 6 out of 10. Waning gibbous, 85% illumination | Friday, June 5, 2026. Low aurora activity. Aurora score 3 out of 10. Waning gibbous, 78% illumination | Saturday, June 6, 2026. Low aurora activity. Aurora score 3 out of 10. Last quarter, 69% illumination | Sunday, June 7, 2026. Low aurora activity. Aurora score 3 out of 10. Last quarter, 60% illumination |
Monday, June 8, 2026. Low aurora activity. Aurora score 3 out of 10. Last quarter, 49% illumination | Tuesday, June 9, 2026. Moderate aurora activity. Aurora score 5 out of 10. Last quarter, 39% illumination | Wednesday, June 10, 2026. Low aurora activity. Aurora score 3 out of 10. Waning crescent, 28% illumination | Thursday, June 11, 2026. High aurora activity. Aurora score 8 out of 10. Waning crescent, 19% illumination | Friday, June 12, 2026. High aurora activity. Aurora score 7 out of 10. Waning crescent, 10% illumination | Saturday, June 13, 2026. Moderate aurora activity. Aurora score 6 out of 10. Waning crescent, 4% illumination | Sunday, June 14, 2026. Moderate aurora activity. Aurora score 6 out of 10. New moon, 1% illumination |
Monday, June 15, 2026. Low aurora activity. Aurora score 3 out of 10. New moon, 0% illumination | Tuesday, June 16, 2026. Low aurora activity. Aurora score 3 out of 10. New moon, 3% illumination | Wednesday, June 17, 2026. Moderate aurora activity. Aurora score 5 out of 10. Waxing crescent, 8% illumination |
Why Tromsø is the “Aurora Capital”
Tromsø sits at 69°N, placing it directly under the auroral oval. This is the sweet spot where the Northern Lights are most frequent. Even on nights when the solar activity is relatively low, you have a solid chance of seeing a green glow here because of the latitude. Unlike more southern locations where you need a massive solar storm to see anything, Tromsø can put on a show during a “quiet” night.
Best Aurora Viewing Spots in Tromsø
You don’t always need a car to see the lights in Tromsø, but getting away from the streetlights of the city center makes a huge difference.
- Fjellheisen (Mount Storsteinen): The cable car takes you up 421 meters in just a few minutes. From the top, you get a panoramic view of the city and the surrounding fjords. It’s a classic spot, and even if the lights are faint, the view of the city lights below is worth it. Just keep an eye on the time—the last car down is usually around midnight.
- Prestvannet Lake: Located at the highest point on the island of Tromsøya, this lake is a roughly 20-minute walk from the city center. It’s a nature reserve with much less light pollution. In winter, the lake freezes over, providing a great foreground for photos.
- Telegrafbukta: This is a beach on the southern tip of the island. It faces south and west over the water toward the mountains of Kvaløya. It’s a popular local spot for a quick “chase” without leaving the island.
The “Microclimate” Strategy
One of the biggest challenges in Tromsø is the coastal weather. Being right on the ocean means clouds can roll in fast. However, the region is full of microclimates.
If it’s cloudy in the city, local guides often drive west to Kvaløya (specifically places like Grotfjord or Kattfjordvatnet) or east toward the Lyngen Alps. If the coastal fog is really stubborn, the “pro move” is to head inland toward Skibotn or even across the border into Finland. The inland air is much drier, and it’s very common for the sky to be completely clear just an hour or two away in Finnish Lapland while Tromsø is stuck under a grey lid.
What to Do While You Wait
Tromsø is a proper city, so you aren’t stuck in a cabin in the woods with nothing to do during the day.
- The Arctic Cathedral: You’ll see this iconic triangular building from across the bridge. It’s beautiful when illuminated at night and occasionally hosts “Northern Lights concerts.”
- Arctic Saunas: Check out Pust, a floating sauna in the harbor. It’s a very local experience to jump into the freezing Arctic water and then retreat into the heat.
- Whale Watching: If you visit between November and January, the fjords around Tromsø (and further north toward Skjervøy) are often filled with humpbacks and orcas.
Local Tips
If you are doing a DIY chase, download the Svipp app (formerly Troms Mobillett) for local buses. Bus 42 will take you toward the darker areas of Kvaløya. Also, keep in mind that “Polar Night” (when the sun doesn’t rise at all) lasts from late November to mid-January. This means you have a very long window of darkness to catch the lights, but you’ll want to plan your “daytime” activities for the few hours of blue twilight around noon.
Would you like me to find the specific bus routes or schedules for reaching the darker spots on Kvaløya?
FAQ
What Kp index do I need to see the northern lights in Tromsø?
In Tromsø, even quiet geomagnetic conditions can be enough for aurora overhead.
This is based on magnetic latitude, and Kp index is a global geomagnetic index, so treat it as a rule of thumb, not a location-specific guarantee.
Tonight, the NOAA Kp index forecast is around 2.7. You should have a good chance of seeing the aurora if the sky is clear.