North Cascades
Excellent 7h of clear sky (≤30% cloud) during tonight's astronomical night, mean cloud 11%.
Best clear window: Fri 5:00 p.m. – Fri 11:00 p.m. (7h, 1% mean cloud)
Moon: New moon · 2% illuminated
The Salish Sea coast is Bortle 6–8, but Bortle 3 mountain skies are 90 minutes north on the Sea-to-Sky.
Updated: · Tonight: Friday, August 14, 2026
Excellent 7h of clear sky (≤30% cloud) during tonight's astronomical night, mean cloud 11%.
Best clear window: Fri 5:00 p.m. – Fri 11:00 p.m. (7h, 1% mean cloud)
Moon: New moon · 2% illuminated
North Cascades Lost on tonightMeanCloudPct to McDonald Park (but earlier rule decided).
| Site | Verdict | Window | Win cloud | Min cloud | Mean cloud | Bortle | Distance |
|---|---|---|---|---|---|---|---|
| McDonald Park | Excellent (5) | 7h | 1% | 0% | 30% | 5 | 89 km |
| Cattle Point | Good (4) | 5h | 1% | 0% | 45% | 6 | 94.8 km |
| ★ North Cascades | Excellent (5) | 7h | 1% | 0% | 11% | 2 | 154.4 km |
| Olympic NP | Good (4) | 5h | 2% | 0% | 32% | 3 | 168.4 km |
verdictRank (desc) — Excellent > Good > Fair > Poor > No-gowindowHours (desc) — Longer clear window winswindowMeanCloudPct (asc) — Cleaner sky inside the windowtonightMinCloudPct (asc) — Best moment of the nighttonightMeanCloudPct (asc) — Overall sky qualitybortle (asc) — Darker site winsdistanceKm (asc) — Closer wins lastEach verdict above blends four limiting factors. Tap a card to learn what it measures, where the number comes from, and how to use it.
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, 1% mean cloud)
Moon: New moon · 2% illuminated
Good 5h clear window during astronomical night, mean cloud 45%.
Best clear window: Fri 5:00 p.m. – Fri 9:00 p.m. (5h, 1% mean cloud)
Moon: New moon · 2% illuminated
Excellent 7h of clear sky (≤30% cloud) during tonight's astronomical night, mean cloud 11%.
Best clear window: Fri 5:00 p.m. – Fri 11:00 p.m. (7h, 1% mean cloud)
Moon: New moon · 2% illuminated
Good 5h clear window during astronomical night, mean cloud 32%.
Best clear window: Fri 5:00 p.m. – Fri 9:00 p.m. (5h, 2% mean cloud)
Moon: New moon · 2% illuminated
Tonight's best site near Vancouver is North Cascades (154 km away). Verdict: Excellent. 7h of clear sky (≤30% cloud) during tonight's astronomical night, mean cloud 11%.
McDonald Park is the closest, about 89 km from Vancouver (Bortle 5).
Vancouver'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 Cascades, Olympic NP.
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.