Westchester, IL Weather Forecast

Local 7-day forecast

61°
F

Rain Showers Likely

Track current conditions, temperature changes, wind, and the full daily outlook for Westchester, IL in one place.

Saturday, October 31, 2026
Wind: 5 to 10 mph ESE
Saturday

Rain showers likely. Cloudy, with a high near 61. East southeast wind 5 to 10 mph. Chance of precipitation is 70%.

Local 7-day forecast

Local Weather Overview

This forecast page for Westchester, IL is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Oct 29, 2026 10:27 PM CDT.

The active forecast window currently covers Oct 31 to Nov 5, 2026 for Westchester, IL.

Page Snapshot

Page focus
city weather
Forecast window
Oct 31 to Nov 5, 2026
Latest sync
Oct 29, 2026 10:27 PM CDT
Forecast office
LOT
Source
NOAA / NWS
Next High
61°F
Saturday
Next Low
51°F
Saturday Night
Rain Outlook
11
Periods mentioning precipitation
Windiest
10 to 15 mph
Monday Night

Daily Outlook

Today
Oct 31
Rain Showers Likely
61 °F
/ 51°F
Wind 5 to 10 mph
Sun
Nov 1
Mostly Cloudy then Slight Chance Rain Showers
67 °F
/ 54°F
Wind 0 to 5 mph
Mon
Nov 2
Chance Rain Showers
67 °F
/ 59°F
Wind 5 to 10 mph
Tue
Nov 3
Rain Showers Likely
71 °F
/ 58°F
Wind 15 mph
Wed
Nov 4
Rain Showers Likely
68 °F
/ 52°F
Wind 15 mph
Thu
Nov 5
Chance Rain Showers
63 °F
Wind 10 mph

This Week in Westchester

Tuesday looks like the warmest upcoming period in Westchester at 71 degrees F.

Saturday Night is the coolest period ahead with temperatures near 51 degrees F.

The strongest winds are forecast for Monday Night at about 10 to 15 mph SSE.

Precipitation is mentioned in 11 upcoming forecast periods.

Forecast Details

Last updated
Oct 29, 2026 10:27 PM CDT
Coverage
6 days
Time zone
America/Chicago
Forecast office
LOT
Radar station
KLOT

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Saturday Night
Oct 31
51°F
Chance Rain Showers then Cloudy
0 to 5 mph SE

A chance of rain showers before 10pm. Cloudy, with a low around 51. Southeast wind 0 to 5 mph, with gusts as high as 10 mph. Chance of precipitation is 40%.

Sunday
Nov 1
67°F
Mostly Cloudy then Slight Chance Rain Showers
0 to 5 mph ESE

A slight chance of rain showers after noon. Mostly cloudy, with a high near 67. Chance of precipitation is 20%.

Sunday Night
Nov 1
54°F
Slight Chance Rain Showers
5 mph SE

A slight chance of rain showers. Mostly cloudy, with a low around 54.

Monday
Nov 2
67°F
Chance Rain Showers
5 to 10 mph SE

A chance of rain showers. Mostly cloudy, with a high near 67.

Monday Night
Nov 2
59°F
Rain Showers Likely
10 to 15 mph SSE

Rain showers likely. Mostly cloudy, with a low around 59.

Tuesday
Nov 3
71°F
Rain Showers Likely
15 mph SSE

Rain showers likely. Mostly cloudy, with a high near 71.

Tuesday Night
Nov 3
58°F
Chance Rain Showers
15 mph SSE

A chance of rain showers. Mostly cloudy, with a low around 58.

Wednesday
Nov 4
68°F
Rain Showers Likely
15 mph S

Rain showers likely. Mostly cloudy, with a high near 68.

Wednesday Night
Nov 4
52°F
Chance Rain Showers
10 to 15 mph S

A chance of rain showers. Mostly cloudy, with a low around 52.

Thursday
Nov 5
63°F
Chance Rain Showers
10 mph SW

A chance of rain showers. Mostly cloudy, with a high near 63.

Detailed Forecast

Period Conditions Temp Wind
Saturday
Oct 31
Rain Showers Likely
61°F
5 to 10 mph
ESE
Saturday Night
Oct 31
Chance Rain Showers then Cloudy
51°F
0 to 5 mph
SE
Sunday
Nov 1
Mostly Cloudy then Slight Chance Rain Showers
67°F
0 to 5 mph
ESE
Sunday Night
Nov 1
Slight Chance Rain Showers
54°F
5 mph
SE
Monday
Nov 2
Chance Rain Showers
67°F
5 to 10 mph
SE
Monday Night
Nov 2
Rain Showers Likely
59°F
10 to 15 mph
SSE
Tuesday
Nov 3
Rain Showers Likely
71°F
15 mph
SSE
Tuesday Night
Nov 3
Chance Rain Showers
58°F
15 mph
SSE
Wednesday
Nov 4
Rain Showers Likely
68°F
15 mph
S
Wednesday Night
Nov 4
Chance Rain Showers
52°F
10 to 15 mph
S
Thursday
Nov 5
Chance Rain Showers
63°F
10 mph
SW
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.