New York, NY 84° Los Angeles, CA 100° 🌤️ Chicago, IL Houston, TX 99° 🌤️ Miami, FL Phoenix, AZ 108° Seattle, WA 72° Denver, CO 91° Toronto, ON 67° Vancouver, BC 68°
WeatherLiveIllinoisWestchester

Westchester, IL Weather (60154)

Current WeatherWestchester · 3:43 PM CDT
85° | 56°
85°F
Feels like 82°
Sunny
WindNW 7 mph · Gusts 8 mph
Precip5% · –
Humidity31% · Dew point 51°
UV index8 High
Air Quality49 Good
Pressure30.03 inHg
Visibility6 mi
Sunrise / Sunset6:09 AM · 7:38 PM · 13h 29m

Weather map — Westchester

Full radar →
Now
85°
1%
7 mph
16:00
81°
9%
6 mph
17:00
77°
11%
5 mph
18:00
75°
11%
6 mph
19:00
73°
5%
3 mph
20:00
70°
13%
4 mph
21:00
69°
14%
4 mph
22:00
67°
6%
4 mph
23:00
66°
13%
3 mph
00:00
66°
4%
2 mph
01:00
65°
4%
3 mph
02:00
65°
5%
3 mph
03:00
65°
5%
3 mph
04:00
64°
6%
3 mph
05:00
63°
6%
3 mph
06:00
62°
10%
4 mph
07:00
61°
10%
3 mph
08:00
63°
6%
2 mph
09:00
67°
4%
4 mph
10:00
70°
3%
4 mph
11:00
73°
10%
5 mph
12:00
75°
10%
6 mph
13:00
77°
9%
7 mph
14:00
78°
4%
9 mph

Today · Mon 8/24

High 85°
5% / –

Sunny. Winds NW at 8 mph.

Tonight · Mon 8/24

Low 61°
14% / –

Mostly cloudy. Winds E at 4 mph.

Tomorrow · Tue 8/25

78° | 61°
7% / –

Sunny. Winds SW at 9 mph.

7-day trend

Westchester · temperature + precipitation

10-day forecast

Updated 3:43 PM

Details & indices

Wind
7 mph NW
Gusts 8 mph
Humidity
31%
Dew point 51°
Pressure
30.03 inHg
Rising
UV index
8 — High
High today
Air Quality
Good
AQI 49 · US EPA
Allergy
Very high
Mugwort
Visibility
6 mi
Clear view
Allergy — Westchester

🌿 Conditions right now

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

Sun & moon

Sunrise6:09 AM
Sunset7:38 PM
Length of day13h 29m
Moonrise6:04 PM
Moonset2:12 AM
Next full moonAug 27 Sturgeon Moon
Latitude41.8506°N
Longitude-87.8820°E

Water temps nearby

View all →
No beaches within 50 miles
🌤️No rain expected in the next 90 minutes
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

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
🌤️
Aurora
Rockford
Mostly cloudy
79°
Joliet
Sunny
79°
Naperville
Mostly cloudy
79°
Data sources · Monday, August 24
Where the Westchester 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: 41.8506°N, -87.8820°.
NBM + global weather models
Updated: 3:43 PM
Weather in Westchester
Over the next 10 days Westchester tops out around 85° (Monday) and dips to 56° on the coolest night (Monday). Roughly 4.4 in of rain falls over the period, with Sunday the most likely wet day (93%). Hold onto the patio furniture Wednesday: gusts could hit 25 mph. No active NWS alerts at the moment — quiet on the hazards front. Right now Westchester is running about 24° warmer than Madison. Longer view: variable mid-latitude weather in every season.
Westchester, IL · Elev 636 ft · 41.85°N, 87.88°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: 3:43 PM