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 San Bernardino Weather Forecast Summary |
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Today
Dec 17th
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Thursday
Dec 18th
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Friday
Dec 19th
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Saturday
Dec 20th
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Sunday
Dec 21st
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Cloudy |
Cloudy |
Mix of Cloud and Sun |
Cloudy |
Cloudy |
70°F
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76°F
56°F |
70°F
52°F |
65°F
50°F |
64°F
51°F |
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| San Bernardino Detailed Weather Forecast |
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| Wednesday, December 17th, 2025 |
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Evening |
Temperature: 56°F |
| Clear. |
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| Thursday, December 18th, 2025 |
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Overnight |
Temperature: 56°F |
| Cloudy. |
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Morning |
Temperature: 74°F |
| A mix of cloud and sun. |
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Afternoon |
Temperature: 64°F |
| Cloudy. |
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Evening |
Temperature: 57°F |
| A mix of cloudy and clear skies. |
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| Friday, December 19th, 2025 |
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Overnight |
Temperature: 55°F |
| Clear. |
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Morning |
Temperature: 69°F |
| Sunny. |
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Afternoon |
Temperature: 60°F |
| A mix of cloud and sun. |
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Evening |
Temperature: 53°F |
| Mostly clear. |
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| Saturday, December 20th, 2025 |
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Overnight |
Temperature: 51°F |
| Clear. |
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Morning |
Temperature: 64°F |
| Cloudy. |
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Afternoon |
Temperature: 57°F |
| Cloudy. |
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Evening |
Temperature: 52°F |
| A mix of cloudy and clear skies. |
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| Sunday, December 21st, 2025 |
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Overnight |
Temperature: 51°F |
| Cloudy. |
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Morning |
Temperature: 63°F |
| Cloudy. |
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Afternoon |
Temperature: 57°F |
| A mix of cloud and sun. |
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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: 65°F |
| A mix of cloud and sun. |
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Afternoon |
Temperature: 58°F |
| Cloudy. |
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Evening |
Temperature: 54°F |
| Cloudy. |
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| Tuesday, December 23rd, 2025 |
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Overnight |
Temperature: 51°F |
| Cloudy. |
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Morning |
Temperature: 60°F |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 51°F |
| Mostly sunny. |
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Evening |
Temperature: 48°F |
| Cloudy with a slight chance of showers. |
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| Wednesday, December 24th, 2025 |
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Overnight |
Temperature: 50°F |
| Cloudy with a chance of showers. |
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Morning |
Temperature: 54°F |
| Cloudy. |
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Afternoon |
Temperature: 54°F |
| Cloudy. |
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Evening |
Temperature: 55°F |
| Cloudy with a chance of showers. |
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| Thursday, December 25th, 2025 |
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Overnight |
Temperature: 53°F |
| Cloudy with showers. |
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Morning |
Temperature: 52°F |
| Cloudy with periods of rain. |
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Afternoon |
Temperature: 52°F |
| Cloudy with a few showers. Windy at times. |
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Evening |
Temperature: 50°F |
| Cloudy with showers likely. |
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