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 Lake Forest Weather Forecast Summary |
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Today
Jan 17th
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Sunday
Jan 18th
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Monday
Jan 19th
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Tuesday
Jan 20th
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Wednesday
Jan 21st
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Cloudy |
Cloudy |
Cloudy |
Cloudy |
Cloudy |
24°F
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23°F
15°F |
16°F
8°F |
33°F
9°F |
35°F
18°F |
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| Lake Forest Detailed Weather Forecast |
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| Saturday, January 17th, 2026 |
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Morning |
Temperature: 20°F |
| Cloudy. Wind 20 to 30 mph. |
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Afternoon |
Temperature: 22°F |
| Cloudy. Wind 20 to 30 mph. |
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Evening |
Temperature: 23°F |
| Cloudy with a chance of flurries. Wind 20 to 30 mph. |
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| Sunday, January 18th, 2026 |
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Overnight |
Temperature: 17°F |
| Cloudy. Windy. |
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Morning |
Temperature: 18°F |
| Cloudy with a chance of flurries. Windy. |
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Afternoon |
Temperature: 22°F |
| Cloudy with a chance of flurries. Windy. |
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Evening |
Temperature: 22°F |
| Cloudy with a chance of flurries. Wind 25 to 40 mph. |
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| Monday, January 19th, 2026 |
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Overnight |
Temperature: 14°F |
| Cloudy with a slight chance of flurries. Wind 35 to 45 mph. |
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Morning |
Temperature: 9°F |
| Cloudy. Wind 25 to 40 mph. |
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Afternoon |
Temperature: 9°F |
| Cloudy. Wind 20 to 30 mph. |
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Evening |
Temperature: 8°F |
| Cloudy. Wind 20 to 30 mph. |
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| Tuesday, January 20th, 2026 |
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Overnight |
Temperature: 9°F |
| Clear. Windy. |
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Morning |
Temperature: 18°F |
| Cloudy. Wind 20 to 30 mph. |
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Afternoon |
Temperature: 28°F |
| Cloudy. Wind 25 to 40 mph. |
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Evening |
Temperature: 32°F |
| Cloudy. Wind 35 to 45 mph. |
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| Wednesday, January 21st, 2026 |
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Overnight |
Temperature: 34°F |
| Cloudy. Wind 35 to 45 mph. |
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Morning |
Temperature: 26°F |
| Cloudy. Wind 25 to 40 mph. |
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Afternoon |
Temperature: 22°F |
| Cloudy. Windy. |
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Evening |
Temperature: 19°F |
| Cloudy. Wind 20 to 30 mph. |
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| Thursday, January 22nd, 2026 |
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Overnight |
Temperature: 18°F |
| Clear with cloudy periods. Windy. |
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Morning |
Temperature: 23°F |
| Cloudy. Wind 20 to 30 mph. |
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Afternoon |
Temperature: 26°F |
| Cloudy. |
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Evening |
Temperature: 30°F |
| Cloudy. Windy. |
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| Friday, January 23rd, 2026 |
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Overnight |
Temperature: 28°F |
| Cloudy. Windy. |
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Morning |
Temperature: 20°F |
| Cloudy with flurries likely. Windy. |
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Afternoon |
Temperature: 18°F |
| Cloudy with a chance of flurries. Wind 20 to 30 mph. |
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Evening |
Temperature: 18°F |
| Cloudy. Windy. |
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| Saturday, January 24th, 2026 |
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Overnight |
Temperature: 18°F |
| Cloudy. Windy. |
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Morning |
Temperature: 17°F |
| Cloudy with a chance of flurries. Windy. |
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Afternoon |
Temperature: 18°F |
| Cloudy with a chance of flurries. Windy. |
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Evening |
Temperature: 20°F |
| Cloudy with flurries likely. Windy. |
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| Sunday, January 25th, 2026 |
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Overnight |
Temperature: 21°F |
| Cloudy with a chance of flurries. Windy at times. |
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Morning |
Temperature: 21°F |
| Cloudy with a chance of flurries. Windy. |
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Afternoon |
Temperature: 21°F |
| Cloudy with a chance of flurries. Windy at times. |
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Evening |
Temperature: 21°F |
| Cloudy. Windy at times. |
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