Moderate Activity 🌒 12% Updated live

Aurora Forecast for
Greater Sudbury Tonight

Current northern lights conditions for Greater Sudbury, Ontario, Canada. Latitude 46.5°N · AACGM-v2 magnetic latitude 55°N.

Quick Summary: The estimated northern lights outlook for Greater Sudbury peaks at 0% over the next 24 hours. No suitable viewing window.

Aurora forecast

0%

Estimated

Highest estimate · next 24 hours

Viewing window

No suitable viewing window

America/Toronto

Kp index

3.33

Moderate

Planetary geomagnetic activity

Cloud cover

100%

Overcast

Current sky visibility

Aurora

Tonight's Verdict

Low aurora probability in Greater Sudbury tonight. Check back tomorrow for updated conditions.

Hourly Forecast · Estimated

19
19:00 — 0%
20:00 — 0%
21:00 — 0%
22:00 — 0%
23:00 — 0%
00:00 — 0%
01
01:00 — 0%
02:00 — 0%
03:00 — 0%
04:00 — 0%
05:00 — 0%
06:00 — 0%
07
07:00 — 0%
08:00 — 0%
09:00 — 0%
10:00 — 0%
11:00 — 0%
12:00 — 0%
13
13:00 — 0%
14:00 — 0%
15:00 — 0%
16:00 — 0%
17:00 — 0%
18:00 — 0%
19:00 UTC01:00 UTC07:00 UTC13:00 UTC18:00 UTC
Time (UTC)Estimated (%)
2026-10-14T19:00:00.000Z0%
2026-10-14T20:00:00.000Z0%
2026-10-14T21:00:00.000Z0%
2026-10-14T22:00:00.000Z0%
2026-10-14T23:00:00.000Z0%
2026-10-15T00:00:00.000Z0%
2026-10-15T01:00:00.000Z0%
2026-10-15T02:00:00.000Z0%
2026-10-15T03:00:00.000Z0%
2026-10-15T04:00:00.000Z0%
2026-10-15T05:00:00.000Z0%
2026-10-15T06:00:00.000Z0%
2026-10-15T07:00:00.000Z0%
2026-10-15T08:00:00.000Z0%
2026-10-15T09:00:00.000Z0%
2026-10-15T10:00:00.000Z0%
2026-10-15T11:00:00.000Z0%
2026-10-15T12:00:00.000Z0%
2026-10-15T13:00:00.000Z0%
2026-10-15T14:00:00.000Z0%
2026-10-15T15:00:00.000Z0%
2026-10-15T16:00:00.000Z0%
2026-10-15T17:00:00.000Z0%
2026-10-15T18:00:00.000Z0%
How to read this forecast

The next 24 hours use calculated local darkness and a retained aurora activity heuristic. They are not a measured or statistically calibrated chance of seeing aurora. Aggregate cloud cover is held constant unless a timed weather forecast is available.

Generated 2026-10-14T18:16:56.451Z. Kp: fresh · observation 2026-10-14T18:00:00.000Z. Cloud: fresh · cache refresh 2026-10-14T16:05:15.904+00:00. Overall model: estimated.

Window: No suitable viewing window. A dash marks a missing input; zero means the model found no visibility under the supplied conditions.

27-Day Forecast

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Oct 15

Kp Index •••
Probability •••
Cloud Cover •••

Oct 16

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Probability •••
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Oct 17

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About Aurora Viewing in Greater Sudbury

Greater Sudbury, Canada, is at 46.5°N. Aurora visibility depends on local conditions as well as geomagnetic activity. Its verified magnetic latitude is 55°N; Kp 5–7 is an approximate screening range, not a visibility probability. Even favourable activity can be hidden by clouds or daylight. Find a dark, open northern horizon and check the sky before travelling.

Follow forecasts, cloud maps and aurora alerts for Greater Sudbury in Aurora Hunt, then confirm darkness, local cloud and access before going outside.

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Frequently Asked Questions

Can you see aurora in Greater Sudbury tonight?
Aurora visibility in Greater Sudbury depends on geomagnetic activity (Kp index), cloud cover, and darkness. At 46.5°N latitude, Greater Sudbury typically needs a Kp index of 5–7 for visible aurora. Check the real-time forecast above for tonight's conditions.
What time is best to see northern lights in Greater Sudbury?
The best time to see aurora in Greater Sudbury is typically between 10 PM and 2 AM local time, when skies are darkest. Aurora can appear any time after astronomical twilight, but peak activity usually occurs around local midnight.
Where to watch aurora in Greater Sudbury?
For the best aurora viewing in Greater Sudbury, find a location away from city light pollution with a clear view to the north. Dark areas outside the city center, elevated viewpoints, and spots near water are ideal. Check cloud cover before heading out.
What Kp index is needed to see aurora in Greater Sudbury?
Greater Sudbury is at 46.5°N latitude and typically requires a Kp index of 5–7 for visible aurora. Higher Kp values mean stronger geomagnetic storms and better aurora visibility, even at lower latitudes.
Is Greater Sudbury, Canada a good place to see northern lights?
Greater Sudbury can see aurora during strong geomagnetic storms. Located at 46.5°N, aurora is visible when Kp index reaches 5–7 or higher.

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Never Miss the Aurora in Greater Sudbury

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