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WeatherLiveIllinoisWestchester

Westchester, IL Weather (60154)

Current WeatherWestchester · 3:21 AM CDT
34° | 25°
26°C
Feels like 28°
Sunny
WindSW 7 mph · Gusts 28 mph
Precip6% · –
Humidity73% · Dew point 21°
UV index7 High
Air Quality42 Good
Pressure29.91 inHg
Visibility6 mi
Sunrise / Sunset6:18 AM · 7:23 PM · 13h 5m

Weather map — Westchester

Full radar →
Now
26°
7%
7 mph
04:00
26°
6%
9 mph
05:00
25°
6%
9 mph
06:00
25°
7%
8 mph
07:00
25°
8%
9 mph
08:00
27°
8%
8 mph
09:00
30°
13%
8 mph
10:00
32°
12%
8 mph
11:00
34°
11%
7 mph
12:00
31°
1%
5 mph
13:00
32°
1%
9 mph
14:00
32°
1%
11 mph
15:00
32°
2%
11 mph
16:00
32°
11%
11 mph
17:00
31°
5%
9 mph
18:00
31°
3%
6 mph
19:00
30°
4%
3 mph
20:00
30°
14%
4 mph
21:00
30°
9%
4 mph
22:00
29°
14%
2 mph
23:00
28°
14%
3 mph
00:00
29°
15%
5 mph
01:00
27°
15%
5 mph
02:00
26°
11%
3 mph

Today · Wed 9/2

High 34°
6% / –

Sunny. Winds SW at 11 mph.

Overnight · Wed 9/2

Low 25°
— / –

Sunny.

Tomorrow · Thu 9/3

30° | 25°
24% / 0.01 in

Mostly cloudy. Winds NW at 12 mph.

7-day trend

Westchester · temperature + precipitation

10-day forecast

Updated 3:21 AM

Details & indices

Wind
7 mph SW
Gusts 28 mph
Humidity
73%
Dew point 21°
Pressure
29.91 inHg
Rising
UV index
7 — High
High today
Air Quality
Good
AQI 42 · US EPA
Allergy
Very 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
High
Ragweed
High

Sun & moon

Sunrise6:18 AM
Sunset7:23 PM
Length of day13h 5m
Moonrise9:53 PM
Moonset12:32 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
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
25°
🌤️
Aurora
🌤️
Rockford
🌤️
Joliet
🌤️
Naperville
Data sources · Wednesday, September 2
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: 3:21 AM
Weather in Westchester
Over the next 10 days Westchester tops out around 34° (Wednesday) and dips to 14° on the coolest night (Wednesday). Roughly 0.59 in of rain falls over the period, with Monday the most likely wet day (82%). Hold onto the patio furniture Thursday: gusts could hit 31 mph. No active NWS alerts at the moment — quiet on the hazards front. Right now Westchester is running about 57° 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: 3:21 AM