Past Weather in Simi Valley — Graph
Simi Valley Temperature Yesterday
Maximum temperature yesterday: 78 °F (at 12:51 pm)
Minimum temperature yesterday: 50 °F (at 5:51 am)
Average temperature yesterday: 62 °F
High & Low Weather Summary for the Past Weeks
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 84 °F (Jan 14, 11:51 am) | 100% (Jan 6, 6:51 am) | 30.39 "Hg (Jan 6, 6:51 am) |
| Low | 42 °F (Jan 8, 5:51 am) | 9% (Jan 16, 12:51 pm) | 29.85 "Hg (Jan 7, 2:51 pm) |
| Average | 61 °F | 37% | 30.09 "Hg |
| * Reported Jan 6 5:51 am — Jan 21 5:51 am, Simi Valley. Weather by CustomWeather, © 2026 | |||
Note: Actual official high and low records may vary slightly from our data, if they occured in-between our weather recording intervals... More about our weather records
Simi Valley Weather History for the Previous 24 Hours
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| Conditions | Comfort | |||||||
|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Wind | Humidity | Barometer | Visibility | ||
| 5:51 am Wed, Jan 21 |  | 49 °F | Clear. | No wind | ↑ | 69% | 30.06 "Hg | 10 mi |
| 4:51 am | | 49 °F | Clear. | 3 mph | ↑ | 69% | 30.05 "Hg | 10 mi |
| 3:51 am | | 50 °F | Clear. | No wind | ↑ | 68% | 30.05 "Hg | 10 mi |
| 2:51 am | | 50 °F | Clear. | No wind | ↑ | 68% | 30.06 "Hg | 10 mi |
| 1:51 am | | 52 °F | Clear. | No wind | ↑ | 61% | 30.06 "Hg | 10 mi |
| 12:51 am | | 52 °F | Clear. | No wind | ↑ | 64% | 30.06 "Hg | 10 mi |
| 11:51 pm Tue, Jan 20 | | 55 °F | Clear. | No wind | ↑ | 57% | 30.05 "Hg | 10 mi |
| 10:51 pm | | 57 °F | Clear. | 3 mph | ↑ | 55% | 30.05 "Hg | 10 mi |
| 9:51 pm | | 58 °F | Clear. | No wind | ↑ | 51% | 30.04 "Hg | 10 mi |
| 8:51 pm | | 61 °F | Clear. | No wind | ↑ | 41% | 30.03 "Hg | 10 mi |
| 7:51 pm | | 64 °F | Clear. | 3 mph | ↑ | 32% | 30.03 "Hg | 10 mi |
| 6:51 pm | | 67 °F | Clear. | No wind | ↑ | 27% | 30.03 "Hg | 10 mi |
| 5:51 pm | | 67 °F | Clear. | 3 mph | ↑ | 26% | 30.02 "Hg | 10 mi |
| 4:51 pm |  | 72 °F | Sunny. | 8 mph | ↑ | 20% | 30.02 "Hg | 10 mi |
| 3:51 pm | | 74 °F | Sunny. | 10 mph | ↑ | 18% | 30.01 "Hg | 10 mi |
| 2:51 pm | | 77 °F | Sunny. | 15 mph | ↑ | 16% | 30.01 "Hg | 10 mi |
| 1:51 pm | | 78 °F | Sunny. | 8 mph | ↑ | 14% | 30.00 "Hg | 10 mi |
| 12:51 pm | | 78 °F | Sunny. | 5 mph | ↑ | 15% | 30.03 "Hg | 10 mi |
| 11:51 am | | 76 °F | Sunny. | 7 mph | ↑ | 18% | 30.07 "Hg | 10 mi |
| 10:51 am | | 73 °F | Sunny. | 9 mph | ↑ | 21% | 30.09 "Hg | 10 mi |
| 9:51 am | | 66 °F | Sunny. | 3 mph | ↑ | 34% | 30.09 "Hg | 10 mi |
| 9:24 am |  | 62 °F | Passing clouds. | No wind | ↑ | 41% | 30.11 "Hg | 10 mi |
| 8:51 am | | 57 °F | Sunny. | 3 mph | ↑ | 55% | 30.08 "Hg | 10 mi |
| 7:51 am | | 52 °F | Sunny. | 3 mph | ↑ | 55% | 30.08 "Hg | 10 mi |
| Weather by CustomWeather, © 2026 | ||||||||