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 Simi Valley Weather Forecast Summary |
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Today
Dec 19th
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Saturday
Dec 20th
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Sunday
Dec 21st
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Monday
Dec 22nd
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Tuesday
Dec 23rd
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Cloudy |
Cloudy |
Cloudy |
Cloudy |
Cloudy |
71°F
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67°F
52°F |
63°F
49°F |
63°F
50°F |
61°F
48°F |
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| Simi Valley Detailed Weather Forecast |
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| Friday, December 19th, 2025 |
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Afternoon |
Temperature: 63°F |
| A mix of sun and cloud. |
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Evening |
Temperature: 54°F |
| A mix of clear and cloudy skies. |
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| Saturday, December 20th, 2025 |
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Overnight |
Temperature: 52°F |
| Cloudy. |
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Morning |
Temperature: 66°F |
| Cloudy. |
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Afternoon |
Temperature: 60°F |
| Cloudy. |
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Evening |
Temperature: 53°F |
| A mix of cloudy and clear skies. |
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| Sunday, December 21st, 2025 |
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Overnight |
Temperature: 50°F |
| Cloudy. |
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Morning |
Temperature: 61°F |
| Cloudy. |
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Afternoon |
Temperature: 58°F |
| Cloudy. |
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Evening |
Temperature: 52°F |
| Cloudy. |
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| Monday, December 22nd, 2025 |
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Overnight |
Temperature: 50°F |
| Cloudy. |
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Morning |
Temperature: 61°F |
| Cloudy. |
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Afternoon |
Temperature: 57°F |
| Cloudy. |
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Evening |
Temperature: 51°F |
| Cloudy. |
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| Tuesday, December 23rd, 2025 |
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Overnight |
Temperature: 48°F |
| Cloudy. |
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Morning |
Temperature: 60°F |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 57°F |
| Cloudy. Windy at times. |
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Evening |
Temperature: 55°F |
| Cloudy with a slight chance of showers. Windy. |
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| Wednesday, December 24th, 2025 |
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Overnight |
Temperature: 52°F |
| Cloudy with rain. Wind 20 to 30 mph. |
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Morning |
Temperature: 50°F |
| Cloudy with rain. Windy. |
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Afternoon |
Temperature: 50°F |
| A mix of cloud and sun with showers. Windy at times. |
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Evening |
Temperature: 50°F |
| Cloudy with a chance of showers. |
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| Thursday, December 25th, 2025 |
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Overnight |
Temperature: 49°F |
| A mix of cloudy and clear skies with a chance of showers. |
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Morning |
Temperature: 52°F |
| Cloudy with a chance of showers. Windy. |
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Afternoon |
Temperature: 50°F |
| Cloudy with a chance of showers. Windy at times. |
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Evening |
Temperature: 50°F |
| Cloudy with showers likely. |
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| Friday, December 26th, 2025 |
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Overnight |
Temperature: 48°F |
| Cloudy with showers. |
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Morning |
Temperature: 48°F |
| Cloudy with periods of rain. |
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Afternoon |
Temperature: 48°F |
| Cloudy with periods of rain. |
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Evening |
Temperature: 46°F |
| A mix of cloudy and clear skies with a few showers. |
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| Saturday, December 27th, 2025 |
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Overnight |
Temperature: 43°F |
| Clear with cloudy periods with a slight chance of showers. |
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Morning |
Temperature: 52°F |
| Cloudy. |
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Afternoon |
Temperature: 50°F |
| Sunny. Windy at times. |
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Evening |
Temperature: 46°F |
| Clear. Windy at times. |
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