Rovaniemi vs Tromsø

Aurora forecast comparison — updated hourly

Tonight's Verdict

🇫🇮

Rovaniemi

Peak: Sep–Mar

Skip it

Maybe

Book it

✅ Great night — book it!

Kp tonight4.0

Clouds (ECMWF)21%

Aurora probability4%

🇳🇴

Tromsø

Peak: Oct–Mar

Skip it

Maybe

Book it

🚫 Not tonight — too cloudy

Kp tonight4.0

Clouds (ECMWF)99%

Aurora probability10%

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)21%99%

Cloud cover (GFS)5%100%

Dark hours6h4.8h

Aurora probability4%10%

Solar wind speed––

Bz value––

Best window tonight22h (20%)23h (98%)

Highlighted cell = better value for aurora viewing

Next 3 Nights

Night🇫🇮 Rovaniemi🇳🇴 Tromsø

Sun, Sep 27

✓

21%

Kp 4.0

✗

99%

Kp 4.0

Mon, Sep 28

✗

100%

Kp 2.0

✗

55%

Kp 2.0

Tue, Sep 29

✗

Kp 1.7

✗

75%

Kp 1.7

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. Tonight Rovaniemi has the clearer sky at 21% cloud cover versus 99% for the other city. 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→