Planets Visible Tonight in Rancho Cucamonga, CA
Planet Visibility & Viewing Times
Here are the planets visible in Rancho Cucamonga, CA on 2026-03-21. This chart shows when each planet rises, when it’s highest in the sky, when it sets, and how bright it appears from Earth — so you can decide the best time to look. Visibility also depends on weather conditions and how clear your local sky is.
| Planet | Rises | Highest In Sky | Sets | Magnitude | Brightness |
|---|---|---|---|---|---|
| Mercury | 5:52 A.M. E |
11:33 A.M. 48° |
5:14 P.M. W |
1.2 | ✨ Very bright |
| Venus | 7:44 A.M. E |
2:05 P.M. 62° |
8:26 P.M. W |
-3.8 | ⭐ Brilliant |
| Mars | 6:16 A.M. E |
12:00 P.M. 49° |
5:44 P.M. W |
1.2 | ✨ Very bright |
| Jupiter | 12:50 P.M. NE |
7:58 P.M. 78° |
3:11 A.M. NW |
-2.2 | ⭐ Brilliant |
| Saturn | 7:11 A.M. E |
1:12 P.M. 55° |
7:13 P.M. W |
0.9 | ✨ Very bright |
| Uranus | 9:39 A.M. NE |
4:37 P.M. 75° |
11:35 P.M. NW |
5.8 | ✖ Binoculars recommended |
| Neptune | 7:01 A.M. E |
1:02 P.M. 55° |
7:02 P.M. W |
8.0 | 🔭 Telescope recommended |
- Rises – When the planet first appears above your horizon.
- Highest in the Sky – When it reaches its highest point overhead (usually the best time to view).
- Sets – When it drops below the horizon.
- Magnitude – A number showing how bright the planet appears from Earth (lower numbers mean brighter and easier to see).
- Brightness – A simple rating that tells you how easy the planet may be to spot.
For the best view, look when a planet is high in the sky and the Sun has fully set.
All times shown are local time for the selected location.