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WeatherLiveIllinoisWestchester

Westchester, IL Weather (60154)

Current WeatherWestchester · 8:42 AM CDT
93° | 76°
81°F
Feels like 85°
Mostly cloudy
WindN 7 mph · Gusts 15 mph
Precip59% · 0.16 in
Humidity71% · Dew point 71°
UV index5 Moderate
Air Quality51 Moderate
Pressure29.91 inHg
Visibility6 mi
Sunrise / Sunset6:20 AM · 7:20 PM · 13h 0m

Weather map — Westchester

Full radar →
Now
81°
17%
7 mph
09:00
86°
14%
4 mph
10:00
88°
7%
1 mph
11:00
93°
4%
6 mph
12:00
91°
10%
9 mph
13:00
91°
11%
9 mph
14:00
92°
11%
9 mph
15:00
92°
5%
8 mph
16:00
92°
1%
7 mph
17:00
91°
2%
5 mph
18:00
89°
2%
0 mph
19:00
81°
18%
8 mph
20:00
77°
0.16 in
9 mph
21:00
77°
8%
8 mph
22:00
76°
13%
6 mph
23:00
77°
22%
6 mph
00:00
77°
15%
5 mph
01:00
76°
0.25 in
2 mph
02:00
74°
0.11 in
2 mph
03:00
72°
0.09 in
3 mph
04:00
73°
0.12 in
3 mph
05:00
75°
0.04 in
4 mph
06:00
73°
21%
2 mph
07:00
73°
32%
3 mph

Today · Fri 9/4

High 93°
59% / 0.16 in

Sunny. Winds SW at 10 mph.

Tonight · Fri 9/4

Low 72°
8% / –

Sunny. Winds E at 8 mph.

Tomorrow · Sat 9/5

84° | 71°
73% / 0.62 in

Sunny. Winds NE at 9 mph.

7-day trend

Westchester · temperature + precipitation

10-day forecast

Updated 8:42 AM

Details & indices

Wind
7 mph N
Gusts 15 mph
Humidity
71%
Dew point 71°
Pressure
29.91 inHg
Rising
UV index
5 — Moderate
High today
Air Quality
Moderate
AQI 51 · US EPA
Allergy
High
Ragweed
Visibility
6 mi
Clear view
Allergy — Westchester

🌿 Conditions right now

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

Sun & moon

Sunrise6:20 AM
Sunset7:20 PM
Length of day13h 0m
Moonrise11:33 PM
Moonset2:58 PM
Next full moonSep 26 Harvest 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
Fair
Line-drying weather
Grilling
Fair
Fire up the grill
Running
Poor
Lace up outside
Patio
Fair
Dinner outdoors
Nearby places in {{REGION}}
Chicago
Sunny
79°
🌤️
Aurora
🌤️
Rockford
🌤️
Joliet
🌤️
Naperville
Data sources · Friday, September 4
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: 8:42 AM
Weather in Westchester
Over the next 10 days Westchester tops out around 93° (Sunday) and dips to 65° on the coolest night (Tuesday). Roughly 1.0 in of rain falls over the period, with Saturday the most likely wet day (73%). Hold onto the patio furniture Wednesday: gusts could hit 36 mph. No active NWS alerts at the moment — quiet on the hazards front. Right now Westchester is running about 12° warmer than Grand Rapids. 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: 8:42 AM