Tromsø vs Reykjavík

Aurora forecast comparison — updated hourly

Tonight's Verdict

🇳🇴

Tromsø

Peak: Oct–Mar

Skip it

Maybe

Book it

☀️ Too bright — midnight sun

Kp tonight4.3

Clouds (ECMWF)0%

Aurora probability5%

🇮🇸

Reykjavík

Peak: Sep–Mar

Skip it

Maybe

Book it

☀️ Too bright — midnight sun

Kp tonight4.3

Clouds (ECMWF)100%

Aurora probability0%

Head-to-Head

Metric🇳🇴 Tromsø🇮🇸 Reykjavík

Latitude69.7°N64.1°N

Kp for overhead auroraKp 1+Kp 1+

Kp for good displayKp 3+Kp 2+

Cloud cover (ECMWF)0%100%

Cloud cover (GFS)0%100%

Dark hours––

Aurora probability5%0%

Solar wind speed457 km/s457 km/s

Bz value-1.5 nT-1.5 nT

Best window tonight22h (0%)22h (100%)

Highlighted cell = better value for aurora viewing

Next 3 Nights

Night🇳🇴 Tromsø🇮🇸 Reykjavík

Sun, Jun 28

✓

Kp 4.3

✗

100%

Kp 4.3

Mon, Jun 29

✗

100%

Kp 4.7

✗

92%

Kp 4.7

Tue, Jun 30

✗

99%

Kp 5.0

✗

100%

Kp 5.0

Which should I choose?

Tromsø vs Reykjavík — Which should I choose?

Both cities require Kp 1+ to see aurora overhead, placing them at a similar position relative to the auroral oval. Tonight Tromsø has the clearer sky at 0% cloud cover versus 100% for the other city. Tromsø: Inside the auroral oval — peak aurora season September to March. Reykjavík: Iceland's capital — combine northern lights with Golden Circle tours.

Full Forecasts

🇳🇴View full Tromsø forecast→🇮🇸View full Reykjavík forecast→