Night Sky Copilot

Northern Lights in Dayton Tonight

Live forecast for Dayton, Ohio: real-time solar wind measured 930,000 miles upstream, NOAA's OVATION model, your cloud forecast, and tonight's darkness, with one verdict for your eyes and one for your phone camera.

Tonight at a glance

Aurora is unlikely tonight (0%), for eyes and cameras alike (3%). Kp is 0.7 right now, and Dayton needs Kp 7.5+ for eyes and Kp 6+ for a phone camera. The best window is 10 PM12 AM with 5% clouds and a forecast Kp up to 3.7, once the sky is dark enough at 12:47 AM.

Tonight's aurora odds

Your chance of catching aurora at any point tonight, combining the Kp forecast for tonight's dark hours, the cloud forecast, and the moon.

Naked eye
0%
Phone camera
3%

How we get this: forecast Kp peaks at 3.7 tonight, a 0% chance of reaching your eye threshold (Kp 7.5+) and 3% for camera (Kp 6+), times a 99% chance of usable sky in your clearest dark hours.

Nowcast

Live

Can you see it in Dayton right now? Live Kp, darkness, and clouds — refreshed every two minutes.

Eyes & camera
Waiting for darkness

The sky is not dark enough yet. Dark enough for aurora at 12:47 AM.

Best window tonight
Best available
10 PM12 AM

Clear sky, quiet sun — low activity but the open window

Clouds
5%
Forecast Kp
3.7

What's driving tonight's forecast

The live inputs behind the verdicts and odds: current space weather and hour-by-hour clouds.

Kp now
0.7
need 7.5+ (eye)
Bz (field tilt)
-0.7 nT
northward = quiet
Solar wind
434 km/s
typical
Earth arrival
~58 min
930,000 mi away
Aurora power
18 GW
hemispheric
Clouds now
18%
moon 8%
Cloud cover, next 24 hours
3 PMtaller bar = clearer sky2 PM

3-day Kp outlook

NOAA's planetary Kp forecast in 3-hour bins. One global number, colored against what Dayton needs (eye Kp 7.5+ · camera Kp 6+).

Mon, Sep 14
3.7
peak Kp
Tue, Sep 15
3.7
peak Kp
Mon, Sep 14
peak 3.7
2 PM11 PM
Tue, Sep 15
peak 3.7
2 AM8 PM
QuietCamera possibleEye possible
Magnetic latitude 48.8°Eye needs Kp 7.5+ · camera Kp 6+ · overhead Kp 9+Dark enough at 12:47 AMMoon: Waxing CrescentUpdated 7:25 PM
Live sightings: last 2 hours within ~275 mi
0seeing aurora now0looked, saw nothing

Reports are anonymous. They add real eyes on the sky to everything the model predicts.

Free Dayton sky alerts, no app required

One email when aurora conditions align at your location, plus meteor reminder and go-time emails for peaks worth watching. Web alerts cover one US location per email.

Location: Dayton, OH

Aurora viewing in Dayton: what it takes

Dayton sits at magnetic latitude 48.8°, the number that actually decides your aurora odds (it differs from geographic latitude because Earth's magnetic pole sits over the Canadian Arctic, which is why the Midwest outperforms Europe at the same map latitude). From here, aurora appears low on the northern horizon at roughly Kp 7.5, fills the northern sky around Kp 8.5, and can pass overhead at Kp 9+. Eye-visible displays happen roughly once or twice a year, during extreme (G4–G5) storms.

The threshold most sites won't tell you: your phone camera only needs about Kp 6. A 3-second night-mode exposure collects light your dark-adapted eyes cannot, so on many nights the honest answer is "no to your eyes, yes to your camera." That's why this page gives two verdicts.

Where to watch near Dayton

  • Dr. T.K. Lawless Park (175 mi), Bortle 3, International Dark Sky Park. Southwest Michigan's designated dark-sky county park.
  • Middle Fork River Forest Preserve (194 mi), Bortle 3, International Dark Sky Park. Illinois' first Dark Sky Park, east of Champaign.
  • Beverly Shores (198 mi), Bortle 4, International Dark Sky Community. Dark Sky Community on the Indiana Dunes lakeshore.
  • No time for a drive? Any spot with a dark, unobstructed northern horizon (a lakeshore, a ridge, farmland north of the city) beats a bright parking lot by a full activity level.

Northern lights in Dayton: FAQ

Can you see the northern lights in Dayton tonight?

It depends on tonight's geomagnetic activity: Dayton sits at magnetic latitude 48.8°, so aurora becomes visible on the northern horizon at roughly Kp 7.5+ and can appear overhead at Kp 9+. The live forecast at the top of this page combines the real-time solar wind, NOAA's OVATION model, tonight's cloud cover, and darkness to give you a straight yes/no answer, updated every couple of minutes.

What Kp index does Dayton need for aurora?

About Kp 7.5 for a visible glow on the northern horizon, Kp 9+ for overhead displays, and only about Kp 6 for a phone camera on night mode to capture it. Camera thresholds are lower because long exposures pick up sub-visual light your eyes can't.

How often can you see the northern lights in Dayton?

At magnetic latitude 48.8°, Dayton sees eye-visible aurora roughly once or twice a year, during extreme (G4–G5) storms. We're near solar maximum of Solar Cycle 25, so activity through 2026–2027 runs well above average.

Where should I go to watch aurora near Dayton?

Get away from city light and find an unobstructed view to the north. The best nearby dark-sky options are Dr. T.K. Lawless Park (175 mi), Middle Fork River Forest Preserve (194 mi), Beverly Shores (198 mi). Even a rural road 20–30 minutes north of town dramatically improves what you'll see.

What's the best time of night to see aurora in Dayton?

Statistically 10 PM to 2 AM local time, when your location rotates under the strongest part of the auroral oval, though substorms can fire at any dark hour. Our best-window forecast above combines darkness, clouds, and predicted Kp for tonight specifically.

Nearby aurora forecasts