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 Lake Forest Weather Forecast Summary |
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Today
Feb 17th
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Wednesday
Feb 18th
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Thursday
Feb 19th
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Friday
Feb 20th
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Saturday
Feb 21st
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Cloudy |
Showers |
Mix of rain and snow |
Cloudy |
Cloudy |
42°F
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48°F
42°F |
42°F
39°F |
43°F
32°F |
34°F
29°F |
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| Lake Forest Detailed Weather Forecast |
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| Tuesday, February 17th, 2026 |
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Morning |
Temperature: 40°F |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 42°F |
| Cloudy. Windy. |
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Evening |
Temperature: 41°F |
| Cloudy with a chance of showers. Windy. |
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| Wednesday, February 18th, 2026 |
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Overnight |
Temperature: 43°F |
| Cloudy with showers likely. Slight chance of a thunderstorm. Wind 20 to 30 mph. |
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Morning |
Temperature: 47°F |
| Sunny. Slight chance of a thunderstorm. Windy. |
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Afternoon |
Temperature: 47°F |
| Cloudy. Windy at times. |
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Evening |
Temperature: 44°F |
| Cloudy. Windy at times. |
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| Thursday, February 19th, 2026 |
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Overnight |
Temperature: 41°F |
| Cloudy. |
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Morning |
Temperature: 39°F |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 40°F |
| Cloudy with a chance of showers. Windy at times. |
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Evening |
Temperature: 41°F |
| Cloudy with showers likely. Windy at times. |
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| Friday, February 20th, 2026 |
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Overnight |
Temperature: 40°F |
| Cloudy. Wind 25 to 40 mph. |
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Morning |
Temperature: 35°F |
| Cloudy. Wind 35 to 45 mph. |
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Afternoon |
Temperature: 35°F |
| A mix of cloud and sun. Wind 20 to 30 mph. |
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Evening |
Temperature: 33°F |
| Clear with cloudy periods. Windy. |
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| Saturday, February 21st, 2026 |
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Overnight |
Temperature: 30°F |
| A mix of cloudy and clear skies. Windy. |
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Morning |
Temperature: 31°F |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 34°F |
| Cloudy. Windy. |
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Evening |
Temperature: 30°F |
| Cloudy. Windy. |
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| Sunday, February 22nd, 2026 |
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Overnight |
Temperature: 26°F |
| Cloudy. Wind 20 to 30 mph. |
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Morning |
Temperature: 25°F |
| Cloudy. Wind 20 to 30 mph. |
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Afternoon |
Temperature: 25°F |
| Cloudy. Wind 20 to 30 mph. |
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Evening |
Temperature: 23°F |
| Cloudy with a slight chance of flurries. Wind 25 to 40 mph. |
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| Monday, February 23rd, 2026 |
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Overnight |
Temperature: 22°F |
| Cloudy. Wind 25 to 40 mph. |
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Morning |
Temperature: 21°F |
| Cloudy. Wind 25 to 40 mph. |
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Afternoon |
Temperature: 24°F |
| A mix of cloud and sun. Windy. |
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Evening |
Temperature: 23°F |
| A mix of cloudy and clear skies. Windy. |
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| Tuesday, February 24th, 2026 |
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Overnight |
Temperature: 23°F |
| Cloudy. Windy at times. |
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Morning |
Temperature: 26°F |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 31°F |
| Cloudy. Windy. |
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Evening |
Temperature: 33°F |
| Cloudy. Wind 25 to 40 mph. |
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| Wednesday, February 25th, 2026 |
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Overnight |
Temperature: 35°F |
| Cloudy. Wind 20 to 30 mph. |
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Morning |
Temperature: 38°F |
| Cloudy. Wind 20 to 30 mph. |
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Afternoon |
Temperature: 32°F |
| Cloudy. Wind 25 to 40 mph. |
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Evening |
Temperature: 30°F |
| Cloudy. Wind 20 to 30 mph. |
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