Currently
54°F
in Simi Valley, California, USA
72°F / 46°F
calm
0.00"
Sunday, December 14, 2025 9:41 PM PST
Simi Valley
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Simi Valley, California Climate Summary
Typical December Day
| Normal High: | 65.8°F (18.8°C) |
| Normal Low: | 46.9°F (8.3°C) |
| Average: | 55.8°F (13.2°C) |
| Hour | Temperature | Wind Speed | Humidity |
| 12:00 AM | 52°F (11°C) | 4 mph | 61% |
| 1:00 AM | 52°F (11°C) | 4 mph | 60% |
| 2:00 AM | 51°F (11°C) | 4 mph | 61% |
| 3:00 AM | 51°F (10°C) | 4 mph | 61% |
| 4:00 AM | 51°F (10°C) | 4 mph | 61% |
| 5:00 AM | 50°F (10°C) | 4 mph | 61% |
| 6:00 AM | 50°F (10°C) | 4 mph | 62% |
| 7:00 AM | 50°F (10°C) | 4 mph | 62% |
| 8:00 AM | 51°F (11°C) | 4 mph | 61% |
| 9:00 AM | 55°F (13°C) | 5 mph | 58% |
| 10:00 AM | 59°F (15°C) | 5 mph | 53% |
| 11:00 AM | 62°F (17°C) | 5 mph | 48% |
| 12:00 PM | 64°F (18°C) | 6 mph | 45% |
| 1:00 PM | 65°F (18°C) | 6 mph | 43% |
| 2:00 PM | 65°F (18°C) | 6 mph | 43% |
| 3:00 PM | 64°F (18°C) | 6 mph | 45% |
| 4:00 PM | 62°F (17°C) | 5 mph | 48% |
| 5:00 PM | 60°F (15°C) | 4 mph | 53% |
| 6:00 PM | 57°F (14°C) | 4 mph | 56% |
| 7:00 PM | 55°F (13°C) | 4 mph | 57% |
| 8:00 PM | 54°F (12°C) | 4 mph | 59% |
| 9:00 PM | 53°F (12°C) | 4 mph | 59% |
| 10:00 PM | 53°F (12°C) | 4 mph | 60% |
| 11:00 PM | 52°F (11°C) | 4 mph | 60% |