Aurora forecast tonight in Trondheim
Live northern lights outlook for Trondheim, Norway — from NOAA's Ovation model and planetary Kp forecast, updated every 15 minutes.
Tonight's verdict
Worth watching tonight
7%
local probability now
1.7
max Kp next 24h
Kp 1+
what Trondheim needs
There's a real chance if skies are dark and clear. Auroras are often bright to a camera before they're visible to the eye.
Make the quiet useful: get a storm alert first · Film the aurora on iPhone · Aurora tonight
Updated 2026-09-29 01:52 UTC · NOAA SWPC Ovation Prime · Kp now 0.7
Kp forecast — next 24 hours
1.7
00:00
1.7
03:00
1.7
06:00
1.3
09:00
1.3
12:00
1.0
15:00
1.0
18:00
1.7
21:00
Times UTC · bright green = at/above the Kp 1 Trondheim needs
Aurora possible over Trondheim tonight — be ready to film it.
When you're finally standing in the cold under the night you've waited years for, there are no retakes — the sky does its show once and moves on. So pack the jacket, pack the thermos, and pack the one thing that makes the night eternal: the only iOS astrophotography app built for auroras. Long after the trip, you'll still have the display itself, moving, in 4K.
- ✦ Set it down and it arms itself
- ✦ 4K timelapse + a still from the session
- ✦ Aurora intelligence tunes every capture
- ✦ Tracks the aurora live — no extra app
- ✦ Apple Watch companion
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What it takes to see the aurora from Trondheim
Trondheim sits at 63.4°N geographic, but what decides an aurora is geomagnetic latitude — 63.0°N here. That puts the northern lights overhead regularly: even quiet conditions around Kp 1–2 can bring them out, so on a clear night you mostly need darkness and patience.
Kp 1 a camera catches itKp 1 visible to the eyeKp 2 overhead
Watching from Trondheim: get clear of streetlights with an open northern horizon, give your eyes fifteen minutes to adapt, and concentrate on the hours around local midnight, when activity statistically peaks. The season runs from late August to mid-April, and activity climbs measurably around the equinoxes.
For comparison, Östersund, 211 km away, needs the same Kp 1 — so on a marginal night, drive toward darker skies, not toward latitude.
One rule every chaser learns the hard way: the camera sees it first. An arc that reads as grey haze to your eyes is already green in a one-second exposure, so point a camera at the northern sky before deciding there is nothing there — one tap in Aurora Lens runs that check and films whatever answers.
Read next: Aurora with any phone · Film the aurora on iPhone · Aurora tonight
Tonight's sky over Trondheim
Astronomical darkness
6.9 hours
21:43 – 04:38 local time GMT+2
Local clock times for Trondheim, between sunset-dark and first light: the sun more than 18° below the horizon, when faint aurora shows best.
Clouds tonight
Partly cloudy35%
Mean cloud cover across tonight's dark hours. Clouds beat cameras — a clear gap is worth chasing.
Moon
94% lit
A bright moon washes out faint aurora. Strong displays cut through it without trouble.
Nordlys over the fjord
At 63 degrees north you have real chances - locals who look up regularly catch the aurora several times a season - but Trondheim sits south of the strongest oval, so plan for a handful of good nights between September and March, not a nightly show. The trick the city gives you is the fjord: walk Ladestien out to Korsvika and the water hands you a dark horizon exactly where the lights appear, to the north. When the forecast is strong, drive or take the bus up into Bymarka and get above the treeline. Check nordlysvarsel and the cloud cover before heading out, dress for standing still, and remember the summer half-year is simply too bright.
Best spots to see the northern lights in Trondheim
Places locals and guides actually name, with what each one gives you.
Korsvika ved Ladestien
3 km north-east · walkable
The little cove on the Lade headland, reached on foot along Ladestien - the fjord gives you a properly dark northern horizon with the city lights at your back. Locals call it the easy option when the forecast looks decent: half an hour's walk from the centre, or a bus to Lade and a few minutes down to the water. Bring a headlamp for the trail and a thermos, because you'll be standing still.
Gråkallen (fra Skistua)
8 km west · car
The Bymarka choice when you want out of the light dome entirely: park at Skistua and walk the last kilometre up, and from the top you see far in every direction, well above the treeline. A bus runs to Skistua if you're carless, though check the evening timetable. In winter the track is icy - locals mean it about spikes and a headlamp.
Kristiansten festning
1 km east · walkable
The fortress park above Bakklandet, ten minutes' walk up from the centre - this is where you go when the aurora surprises everyone mid-evening and there's no time to drive. The rise gets you above the rooftops with open sky toward the fjord. City light washes out the weak displays, so save it for the strong outbursts and head for Lade or the marka when you can plan ahead.
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Aurora in Trondheim: common questions
- What Kp does Trondheim need to see the northern lights?
- Three different numbers, depending what you mean. Trondheim sits at 63.0 geomagnetic latitude, so a long exposure picks the aurora up low on the northern horizon from about Kp 1, you can see it yourself from around Kp 1, and it stands overhead near Kp 2. Aurora glows 100–400 km up, which is why it clears the horizon from hundreds of kilometres away.
- Is it dark enough in Trondheim tonight?
- Trondheim gets about 6.9 hours of full astronomical darkness tonight, and the moon is 94% lit. Both matter: a bright moon or a sky that never fully darkens will hide a faint display.
- When is the best time of year for aurora in Trondheim?
- The season runs from late August to mid-April. Activity peaks statistically around the equinoxes, in late September and again in March, and the hours around local midnight are the most productive on any given night.
- Can an iPhone photograph the aurora in Trondheim?
- Yes, and it will usually show more than your eyes do. A long exposure gathers colour that human night vision cannot. Filming it moving needs an app built for the job; Aurora Lens does that and saves a 4K timelapse plus a still frame.
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