North Region Arizona forecast zone
State: Arizona
Score: 91 (Great)
Best window: Thursday 10:00 PM-12:00 AM MST (from latest forecast run)
Main factor: Clear skies
Forecast updated Jul 24
Event details
Bright planets are visible from many locations but detail varies.
When to look: Window: 2026-08-01 to 2026-10-20 (peak 2026-09-10). Prioritize dates near opposition/elongation and local clear horizons.
Where visible: US nationwide
How to watch: Start with naked-eye checks unless the event specifically benefits from optics.
Check these before travel
Clouds, moonlight, haze, and light pollution can reduce visibility.
Authoritative date plus local-condition handoff
Calendar status: Aug 1-Oct 20 | Peak Sep 10
Calendar policy: Past event windows are removed from current and upcoming lists.
Forecast dataset: 2026-07-24
Use this event page for the sky-window baseline, then use the map or tonight forecast for clouds, moonlight, darkness, and the best local viewing window.
Use these as starting points, then validate locally
State: Arizona
Score: 91 (Great)
Best window: Thursday 10:00 PM-12:00 AM MST (from latest forecast run)
Main factor: Clear skies
State: Colorado
Score: 91 (Great)
Best window: Friday 12:00 AM-3:00 AM MDT
Main factor: Clear skies
State: Vermont
Score: 91 (Great)
Best window: Friday 12:00 AM-3:00 AM EDT
Main factor: Clear skies
State: Alaska
Score: 90 (Great)
Best window: Friday 8:00 PM-11:00 PM AKDT
Main factor: Clear skies
Simple field check
Use the event timing first, then recheck clouds, moonlight, and local access before leaving.
Use the event timing, then verify clouds, moonlight, and local darkness before travel.
Recheck local sky conditions before long travel, especially if the event depends on a short viewing window.