Lemont, IL Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Lemont, IL in one place.
Sunny. High near 77, with temperatures falling to around 75 in the afternoon. East northeast wind 5 to 15 mph.
Local Weather Overview
This forecast page for Lemont, 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: Jun 1, 2026 4:54 PM CDT.
The active forecast window currently covers Jun 2 to Jun 7, 2026 for Lemont, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 2 to Jun 7, 2026
- Latest sync
- Jun 1, 2026 4:54 PM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Lemont
Thursday looks like the warmest upcoming period in Lemont at 85 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 53 degrees F.
The strongest winds are forecast for Tuesday at about 5 to 15 mph ENE.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 1, 2026 4:54 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 sourceExtended Forecast
Mostly clear, with a low around 53. East northeast wind 5 to 10 mph.
Sunny, with a high near 81. Southeast wind 0 to 5 mph, with gusts as high as 10 mph.
Partly cloudy, with a low around 59.
Mostly sunny, with a high near 85.
Partly cloudy, with a low around 65.
A chance of rain showers between 7am and 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 85.
A chance of showers and thunderstorms before 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 65.
Showers and thunderstorms likely before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 84.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
A chance of showers and thunderstorms. Partly sunny, with a high near 84.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jun 2
|
Sunny
|
77°F |
5 to 15 mph
ENE
|
|
Tuesday Night
Jun 2
|
Mostly Clear
|
53°F |
5 to 10 mph
ENE
|
|
Wednesday
Jun 3
|
Sunny
|
81°F |
0 to 5 mph
SE
|
|
Wednesday Night
Jun 3
|
Partly Cloudy
|
59°F |
5 mph
SSE
|
|
Thursday
Jun 4
|
Mostly Sunny
|
85°F |
5 to 15 mph
SSW
|
|
Thursday Night
Jun 4
|
Partly Cloudy
|
65°F |
10 to 15 mph
SW
|
|
Friday
Jun 5
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
85°F |
10 to 15 mph
SW
|
|
Friday Night
Jun 5
|
Chance Showers And Thunderstorms
|
65°F |
5 to 15 mph
SW
|
|
Saturday
Jun 6
|
Showers And Thunderstorms Likely
|
84°F |
5 to 10 mph
SW
|
|
Saturday Night
Jun 6
|
Chance Showers And Thunderstorms
|
64°F |
5 to 10 mph
WNW
|
|
Sunday
Jun 7
|
Chance Showers And Thunderstorms
|
84°F |
5 to 10 mph
NE
|
|
Sunday Night
Jun 7
|
Chance Showers And Thunderstorms
|
65°F |
5 to 10 mph
E
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Lemont.
