City of Lake Forest Weather Forecast
Local 7-day forecast
Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for City of Lake Forest in one place.
A chance of rain showers. Mostly cloudy. High near 71, with temperatures falling to around 68 in the afternoon. Northeast wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for City of Lake Forest is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Sep 15, 2026 12:40 PM CDT.
The active forecast window currently covers Sep 16 to Sep 21, 2026 for City of Lake Forest.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 16 to Sep 21, 2026
- Latest sync
- Sep 15, 2026 12:40 PM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in City of Lake Forest
Saturday looks like the warmest upcoming period in City of Lake Forest at 79 degrees F.
Monday Night is the coolest period ahead with temperatures near 54 degrees F.
The strongest winds are forecast for Sunday at about 10 to 15 mph NNE.
Precipitation is mentioned in 12 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 15, 2026 12:40 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- LOT
- Radar station
- KLOT
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of rain showers before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Southeast wind 0 to 10 mph. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 74. North wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 50%.
A slight chance of rain showers after 1am. Mostly cloudy, with a low around 61. Chance of precipitation is 20%.
A chance of rain showers. Partly sunny, with a high near 74.
A slight chance of rain showers before 7pm, then a slight chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Showers and thunderstorms likely. Mostly cloudy, with a high near 79.
Showers and thunderstorms likely. Mostly cloudy, with a low around 60.
A chance of showers and thunderstorms. Mostly cloudy, with a high near 71.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55.
A slight chance of rain showers before 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 69.
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 54.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 16
|
Chance Rain Showers
|
71°F |
5 to 10 mph
NE
|
|
Wednesday Night
Sep 16
|
Chance Showers And Thunderstorms
|
62°F |
0 to 10 mph
SE
|
|
Thursday
Sep 17
|
Chance Showers And Thunderstorms
|
74°F |
5 mph
N
|
|
Thursday Night
Sep 17
|
Mostly Cloudy then Slight Chance Rain Showers
|
61°F |
5 mph
NE
|
|
Friday
Sep 18
|
Chance Rain Showers
|
74°F |
10 mph
ENE
|
|
Friday Night
Sep 18
|
Slight Chance Showers And Thunderstorms
|
62°F |
5 to 10 mph
SE
|
|
Saturday
Sep 19
|
Showers And Thunderstorms Likely
|
79°F |
10 mph
SSW
|
|
Saturday Night
Sep 19
|
Showers And Thunderstorms Likely
|
60°F |
5 to 10 mph
WNW
|
|
Sunday
Sep 20
|
Chance Showers And Thunderstorms
|
71°F |
10 to 15 mph
NNE
|
|
Sunday Night
Sep 20
|
Chance Showers And Thunderstorms
|
55°F |
10 to 15 mph
NE
|
|
Monday
Sep 21
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
69°F |
10 to 15 mph
NE
|
|
Monday Night
Sep 21
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
54°F |
5 to 10 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around City of Lake Forest.