November 9, 2026 northern lights forecast: Kp 4.7 (G1) expected — in range of Vancouver, Aberdeen. See the storm details

Northern Lights Tonight in Ottawa, Ontario

Updated
Unlikely Updated

Tonight in Ottawa: aurora is unlikely. Kp peaks at 3.7, below the local Kp 4.8 threshold; clouds 100%. Next possible window: Nov 17.

Visibility now

Unlikely

Kp 2.0 now (quiet); this spot needs Kp 4.8+.

Kp now
2.0
needs 4.8
Clouds
100%
tonight on average
Sky
Daylight
Moon 0% lit

Kp: NOAA SWPC · Oval: NOAA OVATION · Clouds: Open-Meteo · Updated every 15 minutes.

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Ottawa aurora forecast

Aurora chance by hour tonight in Ottawa, EST
ESTKpChanceStatusClouds
6 PM3.710 of 100Unlikely100%
7 PM3.710 of 100Unlikely100%
8 PM3.710 of 100Unlikely100%
9 PM3.710 of 100Unlikely100%
10 PM3.710 of 100Unlikely100%
11 PM3.710 of 100Unlikely100%

Chance combines Kp against the local threshold, clouds, darkness and the moon. Hours before dark read “Too light”.

Tonight's best window

If activity picks up, watch10 PM – 12 AM EST, look north, low on the horizon.

Fully dark from 6:20 PM to 5:12 AM EST.

Why this forecast?

Aurora zone
53.7°
geomagnetic latitude, mid-latitude: storms needed
Kp index
3.7
tonight's peak vs 4.8 needed
Cloud cover
100%
average over the night
Moonlight
0%
New moon
Darkness
6:20 PM
astronomical dusk

Aurora Borealis Viewing in Ottawa

Ottawa sits in the middle of the pack for aurora in Canada. The threshold of 4.8 means a moderate to strong storm, and in a typical winter that gives you a few chances. The capital is cold and often clear after a front passes, but snow squalls and long gray spells can close the sky for days.

The city's own light is the main limit. The downtown core and the suburbs of Kanata and Orleans spread a glow across the valley floor, and the Gatineau Hills across the Ottawa River add a ridge to the north. The ridge can cut the low part of the view from the city side. You can often catch a strong display from the Greenbelt farmland on the edge of town if you face away from the downtown towers.

Locals who want a real dark sky head west and south-west toward North Frontenac, where the valley turns to forest and lakes. Others go north into Gatineau Park, across the river. Check for cloud first, then drive. A short trip beyond the suburbs is enough on a strong night; a bigger drive pays off on a moderate one.

For the whole picture, check the northern lights tonight overview or the live aurora map.

Dark-sky spots near Ottawa

North Frontenac Astronomy Park

112 km from Ottawa

Dark-Sky Preserve (RASC), North Frontenac Township

Observation pad near Plevna in the first municipality in Canada to earn dark-sky preserve status (2013), covering the whole township.

Gatineau Park

13 km from Ottawa

Large park in the hills across the Ottawa River. Farther from the city than the Greenbelt, with some northern view from open lakes and lookouts; no dark-sky designation.

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Northern Lights in Ottawa: Quick Guide

How often can you see the northern lights in Ottawa?
Over the last three years, Kp reached Ottawa's threshold of 4.8 on about 36 dark nights a year, most often in March and September. Clouds are not counted in that number, so expect fewer nights you can actually see it.
What Kp do I need to see the northern lights in Ottawa?
Kp 4.8 or higher puts the aurora on Ottawa's northern horizon for the naked eye. About one Kp less can still show on a phone camera; about two Kp more brings it well up the sky. Ottawa sits at 53.7° geomagnetic latitude.
Can I see the northern lights tonight in Ottawa?
Probably not. Tonight's peak Kp is 3.7 (active) against the local threshold of 4.8, with about 100% cloud.
Where should I look for the northern lights in Ottawa?
Face north, toward the geomagnetic pole, and find a dark horizon in that direction. Look from the Greenbelt farmland on the western or southern edge, where the downtown towers sit behind you; the Gatineau Hills block the north from the city side.
What time is best tonight in Ottawa?
The best window tonight is 10 PM – 12 AM EST, when activity, darkness and clouds line up best. Activity can flare outside it, so check the hourly table before you head out.

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Know when the sky is worth your time

The forecast on this page, watching your location all night and telling you when to step outside.

BEST HOUR

The hour tonight when Kp, clouds and darkness line up for your spot.

WAKE UP

A push alert 30–90 minutes before the aurora reaches your sky, even at 2 AM.

CLEAR SKY

Where the clouds open nearby, so you know which way to drive.

Learn more about the northern lights