TonightAurora
Tonight · — · New York City, United States

Aurora tonight in New York City

…

Crunching NOAA Kp, cloud cover, moon phase and darkness for New York City…

connecting to NOAA SWPC + Open-Meteo…

Can you see the aurora borealis from New York City?

To see the aurora from New York City you need a serious geomagnetic storm: the city is far enough from the oval that ordinary activity never reaches it, and the nights when it does are memorable precisely because they are rare.

New York City needs Kp 8 — a G4 storm. At 41°N the geomagnetic bar is the highest of any large city we cover, and the light dome is the largest, so a sighting from within the five boroughs requires a severe storm and a dark waterfront facing north. It happens, but rarely, and it makes the news when it does.

Country
United States
Magnetic latitude
40.7°N
Geographic latitude
40.71°
Aurora threshold
Kp 8
Light pollution
Bortle 9
Deep-dark nights / yr
365
Sun at solar midnight
72.7° below horizon
Midnight sun
none

When to look: the New York City aurora season

The calendar is not the constraint at New York City — the sun clears 18° below the horizon on all 365 nights, so the sky is dark enough whatever month you pick. Pick the night with the clearest forecast instead, and expect the northern winter to give you the most hours in which to use it.

Daylight is not a limiting factor at New York City: the sun gets 72.7° below the horizon on the darkest night of the year, and there is no stretch of the calendar when the sky fails to go dark. Everything then comes down to cloud and geomagnetic activity.

Where to go in New York City

A north-facing waterfront or park at the edge of the city is the only realistic option without leaving; further out, the Hudson Valley and the northern suburbs are considerably darker.

Face north. Auroral light comes from the oval that rings the magnetic pole, and from New York City that ring lies to the north — so a rooftop, a treeline or a bright shopfront on that side costs you the display no matter how good the forecast is. As for timing, the "best window" figure near the top is the first hour where cloud sits below about 40% during this latitude's darkness.

What Kp do you need in New York City?

The table below converts the abstract Kp index into what it actually means from New York City, using its magnetic latitude of 40.7° and threshold of Kp 8:

Kp indexWhat Kp means in New York City
Kp 0Nothing from New York City — the oval stays too far north. Nothing to plan around — save the trip for a stronger forecast.
Kp 1No display at this latitude; the activity is confined north of New York City. Worth knowing so that a quiet night reads as expected rather than disappointing.
Kp 2Nothing from New York City — the oval stays too far north. On those nights the forecast at the top of this page will say NO, and that is the honest answer.
Kp 3Nothing from New York City — the oval stays too far north. Nothing to plan around — save the trip for a stronger forecast.
Kp 4No display at this latitude; the activity is confined north of New York City. Worth knowing so that a quiet night reads as expected rather than disappointing.
Kp 5No display at this latitude; the activity is confined north of New York City. On those nights the forecast at the top of this page will say NO, and that is the honest answer.
Kp 6Marginal: expect at most a dull arc low in the north, and only away from town. A camera will pull more colour out of this than your eyes will.
Kp 7Possible as a low smudge from a dark-sky site — the city's own light will beat it. Check the cloud forecast before committing to the drive.
Kp 8Visible low on the northern horizon from New York City — active arcs, and movement you can see with the naked eye. Have a dark-sky spot picked out before you set off.
Kp 9Worth clearing your evening for: structure, movement and colour, with rays extending high into the sky. Any genuinely open horizon will do at this level.

The most common reason people in New York City miss a display is not a bad forecast — it is staying inside the city. At Bortle class 9, a Kp 8 event that would be obvious from open country can be completely invisible from a lit street. If the answer above says GO or MAYBE, treat the drive out of town as part of the plan rather than an optional extra.

How tonight's answer is calculated for New York City

Five inputs produce the answer at the top of this page, and every one of them is specific to New York City: the NOAA Kp forecast against a threshold of Kp 8 (35% of the score), cloud cover through the night at 40.71°, -74.01° (25%), the moon (15%), astronomical darkness at this latitude (15%), and light pollution at Bortle 9 (10%). The method, its data sources and its known limitations are documented on our methodology page. No signup, no app, no account — the page computes everything in your browser from NOAA and Open-Meteo directly. Anonymous analytics and Google's advertising script are the only third parties involved, and both are set out on our privacy page.

New York City aurora — quick answers

What Kp do you need to see the aurora in New York City?

Kp 8 is the practical bar at New York City, set by a magnetic latitude of 40.7°. Anything below that stays too far northern to reach this horizon. Above it, the display becomes something worth standing outside for — and from Kp 9 it is hard to miss.

When is the best time to see the northern lights in New York City?

There is no month to rule out at New York City — full astronomical darkness arrives every night of the year, so the calendar never decides the outcome. The night with the clearest forecast is the night to go, and late evening through to about 01:00 is when activity tends to peak.

How accurate is tonight's aurora forecast for New York City?

Four of the five inputs are measured, not modelled: NOAA's Kp forecast (good to roughly 12 hours), Open-Meteo cloud for New York City's exact coordinates, moon illumination, and the darkness window computed for this latitude. The fifth is Bortle 9 light pollution. Where the forecast is genuinely uncertain — substorm timing at minute scale — the page shows MAYBE rather than a false GO.

How dark does it actually get in New York City?

There is no bright season to work around: the sun gets at least 18° below the horizon on all 365 nights, dropping to 72.7° at its deepest. Sky brightness is never the reason you would miss a display here.

Can you see the aurora from New York City city centre?

In principle, but not on a typical night. With Bortle 9 skies, New York City's light dome hides everything short of a bright, active display. The difference between watching from the centre and watching from dark ground half an hour away is not marginal — it is the difference between a grey smudge and something you will remember.

Nearby & similar aurora cities