Aurora Tonight vs Vedur.is for Iceland aurora

About Vedur.is

Vedur.is is the official website of the Icelandic Meteorological Office, covering weather forecasting, seismic activity, and aurora forecasting for Iceland. The aurora forecast page at vedur.is/english/weather/aurora-forecast is specifically designed for Iceland visitors and is genuinely good - it shows a Northern Lights Index (0-9), cloud cover maps updated hourly, and satellite imagery. A score of 7 or above on the index indicates favourable conditions.

Reykjavik-based tour operators and hotels use Vedur as a default reference. That is a reasonable endorsement. The cloud cover maps in particular use local meteorological models calibrated for Icelandic terrain and coastal weather patterns, which makes them more reliable for Iceland than generic global weather data. The site is free and available in full English.

About Aurora Tonight for Iceland

Aurora Tonight covers 21 Iceland locations - Reykjavik, Akureyri, the Golden Circle area, Jökulsárlón, Westfjords, Snæfellsnes, and more across all regions of the island. Each location page shows the specific Kp threshold needed for aurora to reach that latitude and current cloud cover for that town or city.

Each page also lists nearby dark sky sites with Bortle class ratings and drive time, a 7-day aurora outlook, and historical data drawn from 15 years of Kp records showing average aurora nights per month. The trip planner uses that historical data to recommend minimum stay lengths and highlight the most active months for each location. Aurora Tonight also covers destinations beyond Iceland, so comparisons with Norway, Finland, or the Faroe Islands are straightforward.

Feature comparison - Iceland

~ = partial support. AT = Aurora Tonight. Aurora Tonight location detail covers 21 Iceland locations; Vedur.is provides national-level coverage only.

Where Vedur.is is better

Be clear about this: Vedur's cloud cover maps are more granular for Iceland. They cover the entire island with hourly updates and use local meteorological models built specifically for Icelandic coastal and highland weather. Generic global weather data often misrepresents conditions in Iceland because the terrain and Atlantic weather systems create rapid localised changes that require local modelling.

The Northern Lights Index (0-9) is also a practical advantage for visitors who do not understand the Kp scale. A single number combining geomagnetic activity with cloud cover probability is easier to act on than separate Kp and cloud readings. As the official met office, Vedur carries institutional authority that matters when tour operators and guides need a single trusted reference.

Where Aurora Tonight is better for Iceland

• + 21 named Iceland locations - each with its own Kp threshold, cloud cover, and dark sky sites - rather than a single national summary.
• + Dark sky spots near each city with Bortle class ratings and estimated drive time, so you know exactly where to go once conditions look promising.
• + Historical data showing that September and March average 22+ potential aurora nights in Reykjavik, giving context for trip timing decisions.
• + Trip planner with minimum stay recommendations based on probability - useful for comparing a 3-night vs 7-night trip.
• + Push notifications for any Iceland location without needing a separate app.
• + Side-by-side comparison with other aurora destinations if Iceland is one of several options you are considering.

Which to use