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Northern Lights Forecast for Tromsø

Tromsø, Norway

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

Today at 11:00 PM
Moderate Activity
Cloud Cover:1%
Aurora activity
High clouds
Middle clouds
Low clouds
Fog
Hourly 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

Tonight
May 21 - May 22
  1. Clear
    9 °C
    6 percent cloud cover
  2. Clear
    6 °C
    0 percent cloud cover
  3. Partly cloudy
    5 °C
    73 percent cloud cover
Tomorrow night
May 22 - May 23
  1. Cloudy
    9 °C
    99 percent cloud cover
  2. Cloudy
    9 °C
    94 percent cloud cover
  3. Cloudy
    9 °C
    100 percent cloud cover
Saturday night
May 23 - May 24
  1. Light rain
    8 °C
    100 percent cloud cover
  2. Rain
    8 °C
    100 percent cloud cover
  3. Rain
    7 °C
    100 percent cloud cover

Sun & Moon

Sunset
Sunrise
Midnight Sun – it never gets fully dark
Current Moon
First Quarter
32% illumination
6 AM 12 PM 6 PM

Long-Term Aurora Forecast for Tromsø

Long-term aurora forecast calendar with daily aurora scores, moon phases, and activity levels.
MonTueWedThuFriSatSun
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
LowAurora ActivityHigh

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?

More Northern Lights Spots