Rovaniemi vs Tromsø

Aurora forecast comparison — updated hourly

Tonight's Verdict
🇫🇮
Rovaniemi
Peak: Sep–Mar
Skip it
Maybe
Book it
☀️ Too bright — midnight sun
Kp tonight3.7
Clouds (ECMWF)93%
Aurora probability0%
🇳🇴
Tromsø
Peak: Oct–Mar
Skip it
Maybe
Book it
☀️ Too bright — midnight sun
Kp tonight3.7
Clouds (ECMWF)100%
Aurora probability2%
Head-to-Head
Metric🇫🇮 Rovaniemi🇳🇴 Tromsø
Latitude66.5°N69.7°N
Kp for overhead auroraKp 2+Kp 1+
Kp for good displayKp 3+Kp 3+
Cloud cover (ECMWF)93%100%
Cloud cover (GFS)100%100%
Dark hours––
Aurora probability0%2%
Solar wind speed416 km/s416 km/s
Bz value+4.2 nT+4.2 nT
Best window tonight00h (86%)22h (99%)

Highlighted cell = better value for aurora viewing

Next 3 Nights
Night🇫🇮 Rovaniemi🇳🇴 Tromsø
Thu, May 14
✗
93%
Kp 3.7
✗
100%
Kp 3.7
Fri, May 15
✗
98%
Kp 5.7
✓
3%
Kp 5.7
Sat, May 16
✗
100%
Kp 5.0
✓
36%
Kp 5.0
Which should I choose?

Rovaniemi vs Tromsø — Which should I choose?

Tromsø sits closer to the auroral oval, needing only Kp 1+ for visible aurora versus Kp 2+ for Rovaniemi — meaning Tromsø sees aurora more frequently. Rovaniemi: On the Arctic Circle — combine the northern lights with Santa's Village. Tromsø: Inside the auroral oval — peak aurora season September to March.

Full Forecasts
🇫🇮View full Rovaniemi forecast→🇳🇴View full Tromsø forecast→
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