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WeatherLive › Illinois › Lake Forest

Lake Forest, IL Weather (60045)

Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherLake Forest · 11:25 AM CDT
28° | 18°
27°C
Feels like 28°
Sunny
WindNW 12 mph · Gusts 18 mph
Precip5% · –
Humidity52% · Dew point 16°
UV index7 High
Air Quality40 Good
Pressure29.94 inHg
Visibility6 mi
Sunrise / Sunset6:06 AM · 7:42 PM · 13h 36m

Weather map — Lake Forest

Full radar →
Now
27°
2%
12 mph
12:00
28°
1%
11 mph
13:00
27°
2%
12 mph
14:00
27°
2%
13 mph
15:00
27°
3%
12 mph
16:00
27°
2%
9 mph
17:00
28°
1%
11 mph
18:00
27°
1%
12 mph
19:00
27°
1%
13 mph
20:00
22°
2%
14 mph
21:00
21°
3%
12 mph
22:00
20°
3%
9 mph
23:00
20°
11%
6 mph
00:00
20°
11%
7 mph
01:00
20°
6%
9 mph
02:00
20°
5%
8 mph
03:00
19°
6%
9 mph
04:00
18°
7%
11 mph
05:00
17°
6%
9 mph
06:00
16°
5%
10 mph
07:00
15°
5%
10 mph
08:00
16°
5%
10 mph
09:00
17°
3%
10 mph
10:00
19°
3%
12 mph

Today · Sat 8/22

High 28°
5% / –

Sunny. Winds NW at 15 mph.

Tonight · Sat 8/22

Low 15°
3% / –

Sunny. Winds NW at 12 mph.

Tomorrow · Sun 8/23

23° | 15°
4% / –

Sunny. Winds NW at 12 mph.

7-day trend

Lake Forest · temperature + precipitation

10-day forecast

Updated 11:25 AM

Details & indices

Wind
12 mph NW
Gusts 18 mph
Humidity
52%
Dew point 16°
Pressure
29.94 inHg
Rising
UV index
7 — High
High today
Air Quality
Good
AQI 40 · US EPA
Allergy
Very high
Mugwort
Visibility
6 mi
Clear view
Allergy — Lake Forest

🌿 Conditions right now

View all →
Birch
None
Grass
None
Oak
None
Alder
None
Hazel
None
Mugwort
High
Ragweed
Moderate

Sun & moon

Sunrise6:06 AM
Sunset7:42 PM
Length of day13h 36m
Moonrise4:44 PM
Moonset12:17 AM
Moon phase🌔 Waxing Gibbous · 74%
Next full moonAug 27 Sturgeon Moon
Latitude42.2586°N
Longitude-87.8406°E

Water temps nearby

View all →
No beaches within 50 miles

Daily planner

computed from today's forecast
Laundry day
Great
Line-drying weather
Grilling
Great
Fire up the grill
Running
Fair
Lace up outside
Patio
Great
Dinner outdoors
Nearby places in {{REGION}}
Chicago
Sunny
21° 🌤️
Aurora
—
—
Rockford
Sunny
22° 🌤️
Joliet
—
— 🌤️
Naperville
—
—
Data sources · Saturday, August 22
Where the Lake Forest forecast comes from
This page blends NOAA/NWS model guidance with global ensembles for the 10-day outlook, air quality and alerts. Data refreshes every hour, current conditions every 15 minutes. Coordinates: 42.2586°N, -87.8406°.
NBM + global weather models
Updated: 11:25 AM
Weather in Lake Forest
The 10-day span for Lake Forest runs from a high near 28° on Saturday down to 15° overnight on Sunday. Roughly 1.1 in of rain falls over the period, with Monday the most likely wet day (89%). Hold onto the patio furniture Monday: gusts could hit 33 mph. No active NWS alerts at the moment — quiet on the hazards front. Right now Lake Forest is running about 64° warmer than Madison. Longer view: variable mid-latitude weather in every season.
Lake Forest, IL · Elev 689 ft · 42.26°N, 87.84°W · Illinois · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 11:25 AM