🌤️ New York, NY 🌤️ Los Angeles, CA Chicago, IL 66° 🌤️ Houston, TX 🌤️ Miami, FL 🌤️ Phoenix, AZ Seattle, WA 62° 🌤️ Denver, CO 🌤️ Toronto, ON Vancouver, BC 63°
WeatherLive › Illinois › Westchester

Westchester, IL Weather (60154)

Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherWestchester · 2:06 AM CDT
80° | 63°
66°F
Feels like 67°
Partly cloudy
WindW 4 mph · Gusts 11 mph
Precip57% · 0.06 in
Humidity86% · Dew point 62°
UV index7 High
Air Quality52 Moderate
Pressure30.00 inHg
Visibility6 mi
Sunrise / Sunset6:02 AM · 7:47 PM · 13h 45m

Weather map — Westchester

Full radar →
Now
66°
26%
4 mph
03:00
65°
22%
4 mph
04:00
65°
26%
4 mph
05:00
64°
24%
5 mph
06:00
63°
26%
5 mph
07:00
66°
24%
4 mph
08:00
66°
8%
6 mph
09:00
70°
5%
6 mph
10:00
73°
4%
7 mph
11:00
76°
3%
8 mph
12:00
78°
2%
8 mph
13:00
80°
2%
9 mph
14:00
80°
12%
11 mph
15:00
78°
14%
10 mph
16:00
74°
18%
8 mph
17:00
77°
6%
10 mph
18:00
77°
14%
8 mph
19:00
74°
40%
6 mph
20:00
72°
29%
5 mph
21:00
72°
13%
5 mph
22:00
71°
38%
4 mph
23:00
71°
0.04 in
3 mph
00:00
71°
48%
4 mph
01:00
70°
0.13 in
6 mph

Today · Tue 8/18

High 80°
57% / 0.06 in

Showers. Winds SW at 11 mph.

Overnight · Tue 8/18

Low 63°
22% / –

Partly cloudy. Winds W at 4 mph.

Tomorrow · Wed 8/19

82° | 66°
79% / 0.37 in

Showers. Winds W at 10 mph.

7-day trend

Westchester · temperature + precipitation

10-day forecast

Updated 2:06 AM

Details & indices

Wind
4 mph W
Gusts 11 mph
Humidity
86%
Dew point 62°
Pressure
30.00 inHg
Rising
UV index
7 — High
High today
Air Quality
Moderate
AQI 52 · US EPA
Allergy
Moderate
Mugwort
Visibility
6 mi
Clear view
Allergy — Westchester

🌿 Conditions right now

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

Sun & moon

Sunrise6:02 AM
Sunset7:47 PM
Length of day13h 45m
Moonrise12:43 PM
Moonset10:23 PM
Moon phase🌓 First Quarter · 32%
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
Poor
Line-drying weather
Grilling
Fair
Fire up the grill
Running
Poor
Lace up outside
Patio
Fair
Dinner outdoors
Nearby places in {{REGION}}
Chicago
Sunny
66° 🌤️
Aurora
—
— 🌤️
Rockford
—
— 🌤️
Joliet
—
— 🌤️
Naperville
—
—
Data sources · Tuesday, August 18
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: 2:06 AM
Weather in Westchester
Over the next 10 days Westchester tops out around 84° (Thursday) and dips to 53° on the coolest night (Thursday). Roughly 0.57 in of rain falls over the period, with Wednesday the most likely wet day (79%). Hold onto the patio furniture Thursday: gusts could hit 30 mph. No active NWS alerts at the moment — quiet on the hazards front. Right now Westchester is about 9° cooler than nearby Milwaukee. 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: 2:06 AM