Live aurora forecast

Northern lights in Burlington tonight

Vermont, USA · 53° magnetic latitude · Kp 4–5 threshold

Aurora visibility · Burlington
1/9
Unlikely tonight

Kp 1 is well below the Kp 4–5 threshold needed for aurora to be visible from Burlington.

QuietStormExtreme
Threshold
Kp 4–5
Magnetic latitude
~53°N
Bz ↓ south
- nT
Solar wind
- km/s
Density
- p/cm³
Cloud
-
Conditions right now: - Kp + Bz + solar wind + cloud + moon

Updated: 29 Jun, 21:39 UTC

7-day outlook for Burlington

Today
29 Jun
1
Quiet
Tomorrow
30 Jun
3
Unlikely
Wed
1 Jul
3
Unlikely
Thu
2 Jul
3
Unlikely
Fri
3 Jul
3
Unlikely
Sat
4 Jul
3
Unlikely
Sun
5 Jul
3
Unlikely

Based on CME arrival predictions from NASA DONKI. Arrival times ±6 hours.

auroratonight.space

What Kp is needed here?

Burlington sits at a magnetic latitude of approximately 53°N. The Kp index - a global measure of geomagnetic activity on a scale from 0 (quiet) to 9 (extreme storm), updated every 3 hours - needs to reach Kp 4–5 before the auroral oval expands far enough south to be visible from here.

At Kp 4–5, visibility is possible from Burlington but skies need to be clear and dark. Cloud cover and light pollution remain the main obstacles even when Kp is high enough.

Plan your viewing

Best dark sky sites near Burlington

Light pollution is the biggest obstacle after cloud cover. These sites give you the best dark northern horizon within reach.

North Beach Park

Get directions ↗
Bortle 5 2 miles / 5 min from Burlington

Burlington's north-facing beach on Lake Champlain, about 5 minutes from downtown. The open water extends north toward Quebec with minimal light pollution across the lake. The Adirondacks on the New York side are visible to the west but create no light dome. The beach faces the right direction and is free of overhead obstructions. The parking lot has low-level lighting, but walking a short distance down the beach improves conditions.

Mount Philo State Park

Get directions ↗
Bortle 4 18 miles / 30 min from Burlington

About 30 minutes south of Burlington near Charlotte, Vermont. The summit at 308 meters offers elevated views above the lake valley light dome, with north-facing sightlines toward Burlington and beyond. The height advantage relative to the surrounding terrain makes it useful for borderline Kp nights when the aurora sits close to the horizon. The summit road closes at dusk in most conditions, so check the state park schedule before planning a night visit.

Smugglers' Notch area

Get directions ↗
Bortle 3 35 miles / 45 min from Burlington

A dark mountain pass in the Green Mountains near Jeffersonville, about 45 minutes northeast of Burlington. The narrow valley between Sterling Mountain and Spruce Peak has no significant artificial light sources, and the elevated terrain at around 1,000 meters puts observers above the Champlain Valley light dome. Route 108 through the notch closes in winter, but the surrounding area remains accessible. The notch itself blocks some horizon, so use the open meadows near the base of the pass.

When to go

Best time to see the northern lights in Burlington

Burlington's aurora season runs from late September through to March, when nights are long enough for truly dark skies. The equinox months, September and March, bring a natural boost in geomagnetic activity, making them statistically the best of the season. Summer months bring too much twilight for aurora to be visible at this latitude.

Activity peaks around the September and March equinoxes, when Earth's magnetic field geometry is most favourable for coupling with the solar wind. Events during these two windows tend to produce the strongest displays of the year for observers at Burlington's latitude.

April through August brings persistent astronomical twilight that washes out aurora completely. Even strong events (Kp 6+) remain invisible during this period because the sky never gets dark enough.

Up to 8 locations

Unlikely
Kp 1 need Kp 4-5
Checking darkness…
Portland

USA

Unlikely
Kp 1 need Kp 6
Checking darkness…
Vermont

USA

Unlikely
Kp 1 need Kp 5-6
Checking darkness…
The odds

How often does the aurora appear in Burlington?

Average nights per month the Kp reached Burlington's threshold of 4+, from 15 years of geomagnetic data (2010–2024).

3.9Jan
4.2Feb
5.2Mar
4.7Apr
4May
3.4Jun
3.8Jul
4.7Aug
5Sep
4.8Oct
3.9Nov
3.5Dec

Counts the Kp 4+ threshold only - cloud cover and local darkness are not included.
Kp data: GFZ German Research Centre for Geosciences, CC BY 4.0

Make it happen

Plan your trip to Burlington

Based on 15 years of geomagnetic data (2010–2024)

1st
March
5.2
avg aurora nights
Stay 9+ nights for 80% chance
2nd
September
5.0
avg aurora nights
Stay 9+ nights for 80% chance
3rd
October
4.8
avg aurora nights
Stay 10+ nights for 80% chance

Best window

The August to October window averages 15 aurora nights - the strongest consecutive stretch of the year.

How long to stay

For your best chance in March, plan at least 9 nights.

From the community

Aurora photographs from Burlington

Real photos sourced from Wikimedia Commons.

Aurora over Burlington Aurora over Burlington
Aurora over Burlington Aurora over Burlington
Aurora over Burlington Aurora over Burlington
Aurora over Burlington Aurora over Burlington
Questions

Common questions about aurora in Burlington

What Kp is needed to see aurora from Burlington, Vermont?
Burlington sits at around 53° magnetic latitude, placing it in the Kp 4-5 range as a threshold. The Kp index measures global geomagnetic activity on a scale from 0 (quiet) to 9 (extreme storm), updated every 3 hours. At Kp 4, aurora may appear on the northern horizon on very clear nights from the darkest spots around the city. Kp 5 events bring more reliable overhead activity and visible color. The May 2024 Kp 8-9 storm produced widespread aurora visible across all of Vermont.
Where are the best spots to watch aurora near Lake Champlain?
North Beach Park is the most accessible option - it faces north over open water and takes five minutes to reach from downtown. For darker conditions, the stretch of shoreline north of Burlington toward Malletts Bay and Colchester Point has less street lighting and faces the same direction. Sand Bar State Park in Milton, about 15 miles north, offers a wide north-facing shoreline on the causeway connecting the mainland to South Hero Island and sits in noticeably darker conditions than the city itself.
Is Burlington or Portland, Maine a better base for aurora watching in New England?
Portland sits at a marginally lower magnetic latitude, meaning it typically needs a slightly stronger storm. Burlington's Lake Champlain orientation gives a north-facing water horizon that Portland's urban coastline lacks - most of Portland's good aurora spots require driving south to Cape Elizabeth or north toward Acadia. For urban accessibility to a north-facing dark sky position, Burlington has a small advantage. For the overall quality of nearby dark sky terrain, Maine's extensive rural north gives Portland an edge on strong storm nights.
How far south does aurora reach during major storms?
During G3 events (Kp 7), the auroral oval typically expands to roughly 50° magnetic latitude, putting Vermont comfortably inside the zone for overhead activity. The G5 storm of May 2024 extended visible aurora to 40° magnetic latitude and below, making it visible across all of New England, New York, and Pennsylvania. Burlington at 53° magnetic latitude sees aurora on a higher fraction of storm nights than most New England cities, and the lake's open horizon helps at marginal thresholds.
What months are best for aurora viewing from Burlington?
The aurora season runs from September through April, when nights are sufficiently dark. March and September are statistically the most active geomagnetic months. Vermont's weather is the main variable - the state sees persistent cloud cover from Lake Champlain and Gulf of St. Lawrence moisture systems in fall and early winter. February and March tend to combine better sky clarity with solid geomagnetic odds. Clear winter nights also come with temperatures well below freezing, so dress in layers beyond what feels necessary.
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