Stargazing near Kingston tonight

Kingston is closest to the North Frontenac Dark-Sky Preserve, one of Ontario's best municipally-protected observing pads.

Updated: · Tonight: Friday, August 14, 2026

Best dark-sky site near Kingston tonight

★ Best tonight

Bon Echo

Land O'Lakes, ON · Bortle 3 · 93 km away

Excellent 8h of clear sky (≤30% cloud) during tonight's astronomical night, mean cloud 21%.

Best clear window: Fri 5:00 p.m. – Sat 12:00 a.m. (8h, 1% mean cloud)

Moon: New moon · 2% illuminated

Open live forecast → Site guide

How we picked tonight's best site

Show ranking debug panel (4 candidates, 7-level tie-break)

Bon Echo Lost on windowMeanCloudPct to North Frontenac (but earlier rule decided).

Site Verdict Window Win cloud Min cloud Mean cloud Bortle Distance
North Frontenac Excellent (5) 8h 2% 0% 22% 2 85.2 km
★ Bon Echo Excellent (5) 8h 1% 0% 21% 3 93.4 km
Long Sault Fair (3) 3h 19% 17% 57% 4 184.2 km
Algonquin Excellent (5) 7h 0% 0% 30% 3 210.1 km

★ = chosen by tie-break ladder. Lower cloud %, lower Bortle, lower distance = better. Higher windowHours = better.

Tie-break ladder (in order)

  1. verdictRank (desc) — Excellent > Good > Fair > Poor > No-go
  2. windowHours (desc) — Longer clear window wins
  3. windowMeanCloudPct (asc) — Cleaner sky inside the window
  4. tonightMinCloudPct (asc) — Best moment of the night
  5. tonightMeanCloudPct (asc) — Overall sky quality
  6. bortle (asc) — Darker site wins
  7. distanceKm (asc) — Closer wins last

Same metrics are exposed at snapshot.json as bestTonight.tieBreak and closestSites[].tieBreak.

Understand tonight's forecast for Kingston

Each verdict above blends four limiting factors. Tap a card to learn what it measures, where the number comes from, and how to use it.

📖 How to read the forecast Plain-English breakdown of every row, color and score. 🌙 Moon & tonight's window New moon · 2% illuminated ☁️ Cloud cover & sky score Mean cloud tonight: 21% (min 0%). 🔭 Transparency How clean the air column is — controls how faint a star you can see. 🔥 Smoke & AQI Wildfire smoke and PM2.5 from US-AQI — kills transparency before clouds do.

All 4 closest sites, ranked by distance

North Frontenac

Frontenac, ON · Bortle 2 · 85 km away

Excellent 8h of clear sky (≤30% cloud) during tonight's astronomical night, mean cloud 22%.

Best clear window: Fri 5:00 p.m. – Sat 12:00 a.m. (8h, 2% mean cloud)

Moon: New moon · 2% illuminated

Open live forecast → Site guide

Bon Echo

Land O'Lakes, ON · Bortle 3 · 93 km away

Excellent 8h of clear sky (≤30% cloud) during tonight's astronomical night, mean cloud 21%.

Best clear window: Fri 5:00 p.m. – Sat 12:00 a.m. (8h, 1% mean cloud)

Moon: New moon · 2% illuminated

Open live forecast → Site guide

Long Sault

Durham, ON · Bortle 4 · 184 km away

Fair Short 3h window, otherwise mean cloud 57%. Worth a look if you're nearby.

Best clear window: Fri 11:00 p.m. – Sat 1:00 a.m. (3h, 19% mean cloud)

Moon: New moon · 2% illuminated

Open live forecast → Site guide

Algonquin

Nipissing, ON · Bortle 3 · 210 km away

Excellent 7h of clear sky (≤30% cloud) during tonight's astronomical night, mean cloud 30%.

Best clear window: Fri 5:00 p.m. – Fri 11:00 p.m. (7h, 0% mean cloud)

Moon: New moon · 2% illuminated

Open live forecast → Site guide

Frequently asked questions

Where can I stargaze near Kingston tonight?

Tonight's best site near Kingston is Bon Echo (93 km away). Verdict: Excellent. 8h of clear sky (≤30% cloud) during tonight's astronomical night, mean cloud 21%.

What is the closest dark-sky site to Kingston?

North Frontenac is the closest, about 85 km from Kingston (Bortle 2).

Can I see the Milky Way from Kingston?

Kingston's urban sky is too light-polluted for naked-eye Milky Way. For a clear view of the galactic band, drive to a Bortle 1–3 site such as North Frontenac, Bon Echo, Algonquin.

When are northern lights visible near Kingston?

Aurora is visible during geomagnetic storms with Kp ≥ 5–6. Check the live aurora outlook and head to the closest dark site with a clean northern horizon.

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