Westmont, IL Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms then Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Westmont, IL in one place.
A chance of showers and thunderstorms before 7am. Partly sunny, with a high near 81. North northeast wind 5 to 10 mph. Chance of precipitation is 40%.
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: Jul 8, 2026 11:07 AM CDT.
The active forecast window currently covers Jul 10 to Jul 14, 2026 for Westmont, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 10 to Jul 14, 2026
- Latest sync
- Jul 8, 2026 11:07 AM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Westmont
Tuesday looks like the warmest upcoming period in Westmont at 90 degrees F.
Friday Night is the coolest period ahead with temperatures near 66 degrees F.
The strongest winds are forecast for Tuesday at about 5 to 15 mph W.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- Jul 8, 2026 11:07 AM CDT
- Coverage
- 5 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
Mostly cloudy, with a low around 66.
Partly sunny, with a high near 83.
Partly cloudy, with a low around 67.
Sunny, with a high near 86.
Mostly clear, with a low around 69.
Sunny, with a high near 89.
Mostly clear, with a low around 71.
Sunny, with a high near 90.
Mostly clear, with a low around 72.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Jul 10
|
Chance Showers And Thunderstorms then Partly Sunny
|
81°F |
5 to 10 mph
NNE
|
|
Friday Night
Jul 10
|
Mostly Cloudy
|
66°F |
5 to 10 mph
NE
|
|
Saturday
Jul 11
|
Partly Sunny
|
83°F |
5 to 10 mph
ENE
|
|
Saturday Night
Jul 11
|
Partly Cloudy
|
67°F |
5 to 10 mph
ENE
|
|
Sunday
Jul 12
|
Sunny
|
86°F |
5 mph
NE
|
|
Sunday Night
Jul 12
|
Mostly Clear
|
69°F |
5 to 10 mph
NNW
|
|
Monday
Jul 13
|
Sunny
|
89°F |
5 to 10 mph
WNW
|
|
Monday Night
Jul 13
|
Mostly Clear
|
71°F |
5 to 10 mph
W
|
|
Tuesday
Jul 14
|
Sunny
|
90°F |
5 to 15 mph
W
|
|
Tuesday Night
Jul 14
|
Mostly Clear
|
72°F |
5 to 15 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Westmont.
