Live aurora forecast

Northern lights in Massachusetts tonight

Massachusetts, USA · 50° magnetic latitude · Kp 6 threshold

Aurora visibility · Massachusetts
1/9
Unlikely tonight

Kp 1 is well below the Kp 6 threshold needed for aurora to be visible from Massachusetts.

QuietStormExtreme
Threshold
Kp 6
Magnetic latitude
~50°N
Bz ↓ south
- nT
Solar wind
- km/s
Density
- p/cm³
Cloud
-
Conditions right now: - Kp + Bz + solar wind + cloud + moon

Updated: 20 Jul, 12:55 UTC

7-day outlook for Massachusetts

Today
20 Jul
1
Quiet
Tomorrow
21 Jul
3
Quiet
Wed
22 Jul
3
Quiet
Thu
23 Jul
3
Quiet
Fri
24 Jul
3
Quiet
Sat
25 Jul
3
Quiet
Sun
26 Jul
3
Quiet

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

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What Kp is needed here?

Massachusetts sits at a magnetic latitude of approximately 50°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 6 before the auroral oval expands far enough south to be visible from here.

At Kp 6, visibility is possible from Massachusetts 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 Massachusetts

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

Mount Greylock State Reservation

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Bortle 3 130 miles / 2 hr from Boston

The highest point in Massachusetts at 1063 m, in the Berkshires near Adams. Above the tree canopy on the summit, the horizon is open in all directions with minimal nearby light pollution. The summit road gives drive-up access from spring through autumn. North-facing views from the summit extend toward Vermont with no significant light domes. Bortle 3-4. About 130 miles from Boston via I-90. The Berkshire plateau generally gives the darkest accessible sky in the state, with several state forest roads giving comparable conditions.

Cape Cod National Seashore - Provincetown

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Bortle 3 115 miles / 1 hr 45 min from Boston

The outer Cape at Provincetown faces north across Cape Cod Bay toward the open Atlantic. The Province Lands dunes north of Route 6 give a dark northern horizon - no significant settlement between the Cape tip and Nova Scotia. Bortle 3-4. The ocean horizon eliminates any ground-level light, and the north-facing beach gives the best possible viewing angle for aurora. Accessible year-round. About 115 miles from Boston via US-6.

Quabbin Reservoir

Get directions ↗
Bortle 3 85 miles / 1 hr 30 min from Boston

A large protected reservoir and forest in central Massachusetts, about 85 miles from Boston. The reservoir's undeveloped north shore gives open water views and Bortle 3 conditions, particularly from the Gate 35 and Gate 40 areas on the north edge. The lack of development for 5 km in all directions around the main reservoir basin keeps this area significantly darker than most central Massachusetts locations. Accessible via Winsor Dam and the reservation roads.

When to go

Best time to see the northern lights in Massachusetts

At 50°N magnetic latitude, Massachusetts sits at the lower end of regular aurora territory. Only the deep mid-winter months of November through January offer nights dark enough for aurora to be visible, and only then when a significant geomagnetic storm pushes the auroral oval this far south.

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 Massachusetts's latitude.

Outside November through January, twilight is too bright for aurora viewing even during significant storms. The season is short, but the equinox months on either side of winter can extend it slightly when storm timing aligns.

Up to 8 locations

Unlikely
Kp 1 need Kp 6
Checking darkness…
Maine

USA

Unlikely
Kp 1 need Kp 5-6
Checking darkness…
Vermont

USA

Unlikely
Kp 1 need Kp 5-6
Checking darkness…
From the community

Aurora photographs from Massachusetts

Real photos sourced from Wikimedia Commons.

Aurora over MassachusettsAurora over Massachusetts
Aurora over MassachusettsAurora over Massachusetts
Aurora over MassachusettsAurora over Massachusetts
Aurora over MassachusettsAurora over Massachusetts
Questions

Common questions about aurora in Massachusetts

Can you see the northern lights in Massachusetts?
Only during a major geomagnetic storm. Massachusetts sits at around 50° geomagnetic latitude - the latitude measured from Earth's magnetic poles, which governs where aurora reaches - so it needs Kp 6 from dark sky sites. The Kp index is a global measure of geomagnetic activity on a scale from 0 (quiet) to 9 (extreme), updated every 3 hours. When a storm reaches that level, aurora shows as a glow low on the northern horizon, often clearer on a long-exposure camera than to the eye. The Berkshires in western Massachusetts and the outer Cape Cod coast are the state's best positions. An extreme storm on the scale of the May 2024 G5 event is the kind that brings aurora well south to New England.
What Kp is needed for aurora in Massachusetts?
Kp 6 from genuinely dark sites - Mount Greylock in the Berkshires (Bortle 3), the Quabbin Reservoir area, or the outer Cape Cod coast. Because Kp is a 3-hour global average, reaching Kp 6 is worth checking rather than a guarantee for any given hour. At around 50° geomagnetic latitude, Massachusetts needs the same kind of major storm as Oregon or Washington State, but the New England coast climate means more cloud cover in winter. The Berkshires give the most reliable clear-sky frequency in the state.
Can you see aurora borealis from Boston?
Only during a major storm, and the city's light pollution makes it harder still. An extreme storm on the scale of the May 2024 G5 event is the kind that brings aurora this far south to a city like Boston. For better odds at Kp 6, driving west to the Berkshires or north to the Quabbin Reservoir area is the most productive approach. The coast at Provincetown also gives a dark north-facing horizon without a long drive.
What is the best place to see aurora in Massachusetts?
Mount Greylock in the Berkshires gives the highest elevation and darkest accessible sky in the state. The summit's open north-facing view and 1063 m altitude make it the primary aurora destination. The outer Cape at Provincetown is a strong alternative - the north-facing ocean horizon is dark and accessible year-round. The Quabbin Reservoir is a middle option: 85 miles from Boston, darker than the suburbs, and gives a useful north-facing water horizon. Aim for a clean view of the northern horizon, where the glow appears.
How often is aurora visible in Massachusetts?
It is storm-driven and infrequent, not a reliable season. Aurora reaches Massachusetts only when a major geomagnetic storm pushes the auroral oval far enough south, and those events are unpredictable. Winter's only real edge is longer dark nights. The most useful approach is to watch the live storm forecast and head out when Kp climbs toward 6. Clear nights with northwest winds following a cold front passage tend to give the best sky transparency in New England.
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