Northern lights Aviemore tonight
Aviemore sits at 57°N magnetic latitude in Strathspey on the northern edge of the Cairngorms. Kp 3-4 is enough for aurora from the dark sites around the town. The Cairngorm ski road reaches 635 m by tarmac - one of the most accessible high-altitude dark sky positions in Britain. Loch Morlich and Loch an Eilein are within 12 minutes of the town centre, both Bortle Class 2.
Aurora visibility - Aviemore
Unlikely tonight
Kp 1 is well below the Kp 3-4 threshold needed for aurora to be visible from Aviemore.
Current Kp
1
of 9
7-day outlook for Aviemore
Today
21 May
Tomorrow
22 May
Sat
23 May
Sun
24 May
Mon
25 May
Tue
26 May
Wed
27 May
Based on CME arrival predictions from NASA DONKI. Arrival times ±6 hours.
What Kp is needed here?
Aviemore sits at a magnetic latitude of approximately 57°N. The Kp index - a global measure of geomagnetic activity on a scale from 0 (quiet) to 9 (extreme storm), updated every 3 hours - needs to reach Kp 3-4 before the auroral oval expands far enough south to be visible from here.
At Kp 3-4, visibility is possible from Aviemore but skies need to be clear and dark. Cloud cover and light pollution remain the main obstacles even when Kp is high enough.
Best dark sky sites near Aviemore
Light pollution is the biggest obstacle after cloud cover. These sites give you the best dark northern horizon within reach.
Cairngorm Mountain plateau
Get directions ↗The Cairngorm ski area road climbs to the Coire Cas car park at 635 m, with the mountain railway then running to the Ptarmigan summit station at 1097 m. The car park itself gives a substantial dark sky improvement over the valley; the ski road is open year-round to the Coire Cas car park and is ploughed in winter. The valley below contains Aviemore and Carrbridge, but both light domes are to the west and southwest and do not affect the northern and northeastern horizons. Bortle Class 2 from the car park and above. The plateau above is Britain's largest sub-Arctic wilderness - at altitude the aurora is visible in all directions with no horizon obstruction.
Loch Morlich
Get directions ↗Loch Morlich is a shallow loch at 309 m in the Glenmore forest, 8 km east of Aviemore on the Cairngorm ski road. The Glenmore Lodge car park on the south shore gives a north-facing view across the water toward Meall a' Bhuachaille (810 m) beyond. When the loch is calm, any aurora reflects across the surface. The surrounding Scots pine forest blocks some of the lower sky, but the loch gap gives a clear band in the north. The campsite and watersports centre close at dusk, leaving the car parks free. Bortle Class 2 throughout. The road is tarmac and cleared in winter as far as Cairngorm.
Rothiemurchus forest - Loch an Eilein
Get directions ↗Loch an Eilein is a forest loch in the Rothiemurchus estate south of Aviemore, famous for its castle island. The car park at the estate entrance gives access to the loch shore in 10 minutes of walking on a flat path. The south and west shores of the loch have northward views across the water with the Cairngorm hills forming the background. The Rothiemurchus estate forest suppresses Aviemore's sky glow effectively - within 200 m of the main car park the town lights are invisible. Bortle Class 2-3 at the car park, improving to Class 2 at the loch shore. The car park charges a small fee and has a barrier that closes at dusk; park before 5pm or use the lay-by on the B970.
Best time to see the northern lights in Aviemore
Aviemore's aurora season runs from late September through to March, when nights are long enough for truly dark skies. The equinox months, September and March, bring a natural boost in geomagnetic activity, making them statistically the best of the season. Summer months bring too much twilight for aurora to be visible at this latitude.
Activity peaks around the September and March equinoxes, when Earth's magnetic field geometry is most favourable for coupling with the solar wind. Events during these two windows tend to produce the strongest displays of the year for observers at Aviemore's latitude.
April through August brings persistent astronomical twilight that washes out aurora completely. Even strong events (Kp 6+) remain invisible during this period because the sky never gets dark enough.
Related pages
Northern Lights Scotland Tonight
Scotland-wide aurora forecast.
Northern Lights Cairngorms Tonight
Cairngorms National Park - the dark sky benchmark in Highland Scotland.
Northern Lights Inverness Tonight
Inverness - 45 km north, same magnetic latitude as Aviemore.
Northern Lights Pitlochry Tonight
Pitlochry - 50 km south on the A9, gateway to Highland Perthshire.
What Is the Kp Index?
How the Kp scale determines aurora visibility at your latitude.
Common questions
Aurora in Aviemore - Cairngorm plateau, Loch Morlich, and aurora frequency at 57°N.