Tonight
Aug 15 - Aug 16
- 14 °C
100 percent cloud cover - 14 °C99 percent cloud cover
- 13 °C100 percent cloud cover
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Northern Lights Forecast for Trondheim
Trondheim, Norway
63°25′49.8″N ⋅ 10°23′42.4″E
Aurora data last updated at
Current local time:
Aurora activity is expected to be low between 8 PM and 9 AM in Trondheim tonight. Sky will be dark from 12:26 AM to 2:19 AM local time. Cloud cover around that time looks overcast at around 100%. Low activity and cloud cover together may make the aurora difficult to spot.
Aurora Forecast for Trondheim
Today at 8:00 PM
Low Activity
Cloud Cover:100%
Aurora activity
High clouds
Middle clouds
Low clouds
Fog
Aurora activity
High clouds
Middle clouds
Low clouds
Fog
Hourly aurora forecast for Trondheim
| Local time | Aurora activity |
|---|---|
| Low Activity | |
| Low Activity | |
| Low Activity | |
| Low Activity | |
| Low Activity | |
| No activity | |
| No activity | |
| No activity | |
| Low Activity | |
| Low Activity | |
| Low Activity | |
| Low Activity | |
| Low Activity | |
| No activity | |
| No activity | |
| No activity |
3-Night Weather Forecast for Trondheim
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Tomorrow night
Aug 16 - Aug 17
- 12 °C91 percent cloud cover
- 11 °C100 percent cloud cover
- 11 °C
100 percent cloud cover
Monday night
Aug 17 - Aug 18
- 12 °C94 percent cloud cover
- 10 °C95 percent cloud cover
Sun & Moon
Sunset
Sunrise
Dark from 12:26 AM to 02:19 AM (1 h 53 min)
Current Moon
Waxing Crescent
11% illumination
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Long-Term Aurora Forecast for Trondheim
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|
Saturday, August 15, 2026. Today. Low aurora activity. Aurora score 3 out of 10. Waxing crescent, 10% illumination | Sunday, August 16, 2026. Low aurora activity. Aurora score 2 out of 10. Waxing crescent, 17% illumination | |||||
Monday, August 17, 2026. Low aurora activity. Aurora score 3 out of 10. Waxing crescent, 25% illumination | Tuesday, August 18, 2026. Low aurora activity. Aurora score 2 out of 10. First quarter, 35% illumination | Wednesday, August 19, 2026. Low aurora activity. Aurora score 1 out of 10. First quarter, 44% illumination | Thursday, August 20, 2026. Low aurora activity. Aurora score 1 out of 10. First quarter, 54% illumination | Friday, August 21, 2026. Low aurora activity. Aurora score 2 out of 10. First quarter, 63% illumination | Saturday, August 22, 2026. Low aurora activity. Aurora score 1 out of 10. Waxing gibbous, 72% illumination | Sunday, August 23, 2026. Low aurora activity. Aurora score 1 out of 10. Waxing gibbous, 80% illumination |
Monday, August 24, 2026. Low aurora activity. Aurora score 1 out of 10. Waxing gibbous, 87% illumination | Tuesday, August 25, 2026. Low aurora activity. Aurora score 1 out of 10. Waxing gibbous, 93% illumination | Wednesday, August 26, 2026. Low aurora activity. Aurora score 1 out of 10. Full moon, 97% illumination | Thursday, August 27, 2026. Low aurora activity. Aurora score 1 out of 10. Full moon, 100% illumination | Friday, August 28, 2026. Low aurora activity. Aurora score 1 out of 10. Full moon, 100% illumination | Saturday, August 29, 2026. Low aurora activity. Aurora score 1 out of 10. Full moon, 98% illumination | Sunday, August 30, 2026. Low aurora activity. Aurora score 1 out of 10. Waning gibbous, 94% illumination |
Monday, August 31, 2026. Low aurora activity. Aurora score 1 out of 10. Waning gibbous, 88% illumination | Tuesday, September 1, 2026. Low aurora activity. Aurora score 1 out of 10. Waning gibbous, 80% illumination | Wednesday, September 2, 2026. Low aurora activity. Aurora score 1 out of 10. Waning gibbous, 70% illumination | Thursday, September 3, 2026. Low aurora activity. Aurora score 1 out of 10. Last quarter, 60% illumination | Friday, September 4, 2026. Low aurora activity. Aurora score 2 out of 10. Last quarter, 48% illumination | Saturday, September 5, 2026. Low aurora activity. Aurora score 2 out of 10. Last quarter, 37% illumination | Sunday, September 6, 2026. Low aurora activity. Aurora score 1 out of 10. Waning crescent, 26% illumination |
Monday, September 7, 2026. Low aurora activity. Aurora score 2 out of 10. Waning crescent, 17% illumination | Tuesday, September 8, 2026. Low aurora activity. Aurora score 2 out of 10. Waning crescent, 9% illumination | Wednesday, September 9, 2026. Low aurora activity. Aurora score 1 out of 10. New moon, 3% illumination | Thursday, September 10, 2026. Low aurora activity. Aurora score 1 out of 10. New moon, 1% illumination | Friday, September 11, 2026. Low aurora activity. Aurora score 1 out of 10. New moon, 0% illumination |
LowAurora ActivityHigh
Northern Lights in Trondheim
Trondheim is situated in Norway. While not directly under the standard auroral oval, its northern location at 63.4° makes it a very reliable viewing spot. Monitor local weather carefully, as clear skies are your biggest hurdle in this prime location.
When to see aurora borealis in Trondheim
The aurora season in Trondheim is generally active from early September until late March. December through February offers the longest nights, giving you the widest daily window to spot activity.
FAQ
What Kp index do I need to see the northern lights in Trondheim?
In Trondheim, you usually need at least Kp 2 to have a reasonable chance of seeing the northern lights. Lower Kp can still bring a faint aurora display low on the northern horizon, but it is less common.
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 2 to 3.0. That is above the usual Kp index threshold for Trondheim, so you have a chance of seeing the aurora if the sky is clear.