Tonight
Jul 9 - Jul 10
- 15 °C
100 percent cloud cover - 14 °C92 percent cloud cover
- 13 °C97 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 moderate between 12 AM and 2 AM in Trondheim tomorrow night. Cloud cover around that time looks overcast at around 90%. There may be good aurora activity overhead, but thick cloud could block the view.
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 | |
| Moderate Activity | |
| Low Activity | |
| Low Activity | |
| No activity | |
| No activity | |
| Low Activity | |
| Low Activity | |
| Low Activity | |
| Moderate Activity | |
| Low Activity | |
| Low Activity | |
| No activity | |
| No activity | |
| Low Activity |
3-Night Weather Forecast for Trondheim
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Tomorrow night
Jul 10 - Jul 11
- 17 °C100 percent cloud cover
- 16 °C100 percent cloud cover
- 15 °C100 percent cloud cover
Saturday night
Jul 11 - Jul 12
- 16 °C
26 percent cloud cover - 13 °C
59 percent cloud cover - 12 °C
86 percent cloud cover
Sun & Moon
Sunset
Sunrise
Current Moon
Waning Crescent
30% illumination
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Long-Term Aurora Forecast for Trondheim
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|
Thursday, July 9, 2026. Today. Low aurora activity. Aurora score 2 out of 10. Last quarter, 32% illumination | Friday, July 10, 2026. Low aurora activity. Aurora score 3 out of 10. Waning crescent, 21% illumination | Saturday, July 11, 2026. Low aurora activity. Aurora score 2 out of 10. Waning crescent, 12% illumination | Sunday, July 12, 2026. Low aurora activity. Aurora score 2 out of 10. Waning crescent, 6% illumination | |||
Monday, July 13, 2026. Low aurora activity. Aurora score 2 out of 10. New moon, 1% illumination | Tuesday, July 14, 2026. Low aurora activity. Aurora score 1 out of 10. New moon, 0% illumination | Wednesday, July 15, 2026. Low aurora activity. Aurora score 1 out of 10. New moon, 2% illumination | Thursday, July 16, 2026. Low aurora activity. Aurora score 2 out of 10. Waxing crescent, 6% illumination | Friday, July 17, 2026. Low aurora activity. Aurora score 2 out of 10. Waxing crescent, 13% illumination | Saturday, July 18, 2026. Low aurora activity. Aurora score 1 out of 10. Waxing crescent, 21% illumination | Sunday, July 19, 2026. Low aurora activity. Aurora score 1 out of 10. Waxing crescent, 31% illumination |
Monday, July 20, 2026. Low aurora activity. Aurora score 1 out of 10. First quarter, 41% illumination | Tuesday, July 21, 2026. Low aurora activity. Aurora score 1 out of 10. First quarter, 51% illumination | Wednesday, July 22, 2026. Low aurora activity. Aurora score 3 out of 10. First quarter, 60% illumination | Thursday, July 23, 2026. Low aurora activity. Aurora score 2 out of 10. Waxing gibbous, 69% illumination | Friday, July 24, 2026. Low aurora activity. Aurora score 2 out of 10. Waxing gibbous, 78% illumination | Saturday, July 25, 2026. Low aurora activity. Aurora score 2 out of 10. Waxing gibbous, 85% illumination | Sunday, July 26, 2026. Low aurora activity. Aurora score 1 out of 10. Waxing gibbous, 91% illumination |
Monday, July 27, 2026. Low aurora activity. Aurora score 1 out of 10. Waxing gibbous, 96% illumination | Tuesday, July 28, 2026. Low aurora activity. Aurora score 1 out of 10. Full moon, 99% illumination | Wednesday, July 29, 2026. Low aurora activity. Aurora score 1 out of 10. Full moon, 100% illumination | Thursday, July 30, 2026. Low aurora activity. Aurora score 1 out of 10. Full moon, 99% illumination | Friday, July 31, 2026. Low aurora activity. Aurora score 1 out of 10. Full moon, 97% illumination | Saturday, August 1, 2026. Low aurora activity. Aurora score 1 out of 10. Waning gibbous, 92% illumination | Sunday, August 2, 2026. Low aurora activity. Aurora score 1 out of 10. Waning gibbous, 85% illumination |
Monday, August 3, 2026. Low aurora activity. Aurora score 1 out of 10. Waning gibbous, 77% illumination | Tuesday, August 4, 2026. Low aurora activity. Aurora score 3 out of 10. Last quarter, 67% illumination | Wednesday, August 5, 2026. Low aurora activity. Aurora score 2 out of 10. Last quarter, 57% 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 2.7 to 3.8. That is above the usual Kp index threshold for Trondheim, so you have a chance of seeing the aurora if the sky is clear.