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Lake Forest Weather Forecast
| REST OF TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
 |  | |  | |  | | |  |  | | |
| Partly Sunny | Cloudy | Mostly Cloudy | Partly Cloudy | Partly Sunny | Mostly Cloudy | Partly Sunny | Mostly Cloudy | Showers Likely | Showers Likely | Chance of Showers | Chance of Showers |
| Hi: 61°FHi: 16°C | Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C | Lo: 51°FLo: 11°C | Hi: 71°FHi: 22°C | Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C | Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C | Lo: 49°FLo: 9°C |
| POP: 60% | POP: 60% | POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1018 AM EDT Sat Oct 31 2026 
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Issued: 731 AM EDT Sat Oct 31 2026
Key Messages
1) High pressure will continue to influence the area into the start of next week allowing for quiet weather and gradually warming temperatures.
2) Periodic showers are possible early next week before becoming more widespread mid to late week.
Discussion
... KEY MESSAGE 1... High pressure has settled over the region and will continue to influence the are into early next week as it slowly drift east. Temperatures through the period will start in the low to mid 60s today before gradually c...