Westmont, IL Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Westmont, IL in one place.
Sunny, with a high near 85. South wind 0 to 10 mph.
Local Weather Overview
This forecast page for Westmont, 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: May 24, 2026 3:09 AM CDT.
The active forecast window currently covers May 25 to May 30, 2026 for Westmont, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 25 to May 30, 2026
- Latest sync
- May 24, 2026 3:09 AM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Westmont
Tuesday looks like the warmest upcoming period in Westmont at 86 degrees F.
Friday Night is the coolest period ahead with temperatures near 55 degrees F.
The strongest winds are forecast for Thursday at about 5 to 15 mph NE.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- May 24, 2026 3:09 AM 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 sourceExtended Forecast
Partly cloudy, with a low around 64. South southeast wind 0 to 10 mph.
Mostly sunny, with a high near 86.
A chance of rain showers after 7pm. Mostly cloudy, with a low around 66.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 81.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
A chance of rain showers before 1pm. Partly sunny, with a high near 79.
Mostly cloudy, with a low around 58.
Mostly sunny, with a high near 75.
Partly cloudy, with a low around 55.
Mostly sunny, with a high near 76.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Memorial Day
May 25
|
Sunny
|
85°F |
0 to 10 mph
S
|
|
Monday Night
May 25
|
Partly Cloudy
|
64°F |
0 to 10 mph
SSE
|
|
Tuesday
May 26
|
Mostly Sunny
|
86°F |
0 to 10 mph
SE
|
|
Tuesday Night
May 26
|
Chance Rain Showers
|
66°F |
5 to 10 mph
ESE
|
|
Wednesday
May 27
|
Chance Rain Showers
|
81°F |
5 to 10 mph
E
|
|
Wednesday Night
May 27
|
Chance Showers And Thunderstorms
|
61°F |
5 to 10 mph
ENE
|
|
Thursday
May 28
|
Chance Rain Showers
|
79°F |
5 to 15 mph
NE
|
|
Thursday Night
May 28
|
Mostly Cloudy
|
58°F |
10 to 15 mph
NE
|
|
Friday
May 29
|
Mostly Sunny
|
75°F |
10 to 15 mph
NE
|
|
Friday Night
May 29
|
Partly Cloudy
|
55°F |
5 to 15 mph
NE
|
|
Saturday
May 30
|
Mostly Sunny
|
76°F |
5 to 15 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Westmont.
