Why Is the Aurora So Hard to Predict?
Aurora forecasts can be useful, but they are never perfect. Solar activity, magnetic-field direction, cloud cover, and local darkness all make the northern lights harder to predict than most people expect.
Northern Lights Forecast for London, ON Tonight
London, with its bright city lights and southern location, is not the ideal spot for viewing the northern lights. The aurora borealis is typically seen in regions closer to the North Pole, where geomagnetic activity is more prevalent.
Unlikely tonight
This is probably not a night to travel
The forecast does not currently show enough aurora activity for this location. Check again later or compare places farther north.
Tonight in London: None chance
Practical viewing window: 7:56 PM–6:43 AM local time
- Now
- None
- Typical activity
- Kp 7+
- Approximate oval reach
- Where to look
- Low toward the northern horizon
- Weather
- Sky outlook unavailable
Aurora activity, darkness, and cloud cover are evaluated separately. The forecast uses the local observing night, including nights that cross UTC dates. Aurora forecast data refreshes every ten minutes. See how the forecast works.
Night-by-night forecast for London
Tonight
Sep 20
None
Peak Kp 2.0Tomorrow
Sep 21
None
Peak Kp 1.7Tuesday
Sep 22
None
Peak Kp 1.7Early outlook — more hours will be added
Aurora Now
Take the London forecast with you
Local viewing guide
Aurora inLondon
- Latitude
- 43.0° N
- Location
- Ontario, Canada
London, with its bright city lights and southern location, is not the ideal spot for viewing the northern lights. The aurora borealis is typically seen in regions closer to the North Pole, where geomagnetic activity is more prevalent.
However, there have been rare occurrences when the northern lights have been visible in London during intense geomagnetic storms. These events are unpredictable and can be triggered by strong solar activity.
For those in London hoping to catch a glimpse of this natural phenomenon, staying informed about solar activity and geomagnetic storms can slightly increase the chances of seeing the aurora from the city. Additionally, finding a location with minimal light pollution, such as a park away from the city center, can improve visibility.
While the chances of seeing the northern lights in London are slim compared to locations like Scandinavia or Canada, keeping an eye on geomagnetic forecasts and being in the right place at the right time could result in a magical experience of witnessing the aurora from the urban setting of London.
How to use tonight's forecast in London
The current aurora chance for London is None. Use the local viewing guide above for London-specific context, then combine the live rating with darkness and weather.
What the current chance means
A none or near-none chance in London usually means tonight is not a strong aurora setup for this location. It is still useful context, because you can compare later updates or look at cities farther north for better odds.
What to check after the London forecast
Use these pages to compare London with other forecast locations, understand why visibility changes, and plan the next place to watch.
Canada northern lights forecastCompare London with more aurora forecast pages across Canada.Aurora guides and viewing tipsLearn how darkness, season, and sky conditions affect a promising forecast night.Northern lights FAQRead quick answers about aurora timing, visibility, and what to expect from the forecast.Homepage forecast overviewReturn to the homepage to compare featured forecasts across North America and Europe.
Learn
Aurora guides for nights like London
Read these guides when the London forecast looks interesting but you still need help judging darkness, season, or viewing conditions.
How to Read an Aurora Forecast
An aurora forecast is easier to read when you know what matters most: geomagnetic activity, darkness, cloud cover, and your location. Here is how to turn the numbers into a better yes-or-no decision.
Best Time to See the Northern Lights
The best time to see the northern lights is usually during dark months from late August or September through March, especially on clear nights in northern Canada, Alaska, and the northern U.S. during stronger activity.