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 tonight3.7

Clouds (ECMWF)95%

Aurora probability12%

🇮🇸

Reykjavík

Peak: Sep–Mar

Skip it

Maybe

Book it

☀️ Too bright — midnight sun

Kp tonight3.7

Clouds (ECMWF)100%

Aurora probability5%

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)95%100%

Cloud cover (GFS)100%100%

Dark hours––

Aurora probability12%5%

Solar wind speed––

Bz value––

Best window tonight22h (90%)22h (100%)

Highlighted cell = better value for aurora viewing

Next 3 Nights

Night🇳🇴 Tromsø🇮🇸 Reykjavík

Fri, Jul 10

✗

95%

Kp 3.7

✗

100%

Kp 3.7

Sat, Jul 11

47%

Kp 3.0

✗

100%

Kp 3.0

Sun, Jul 12

✗

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. 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→