Rosemont, IL Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Rosemont, IL in one place.
Sunny, with a high near 82. East wind 3 to 7 mph.
Local Weather Overview
This forecast page for Rosemont, 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 2:36 PM CDT.
The active forecast window currently covers Jun 3 to Jun 7, 2026 for Rosemont, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 3 to Jun 7, 2026
- Latest sync
- Jun 1, 2026 2:36 PM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Rosemont
Sunday looks like the warmest upcoming period in Rosemont at 89 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 61 degrees F.
The strongest winds are forecast for Thursday at about 1 to 10 mph S.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 1, 2026 2:36 PM CDT
- Coverage
- 5 days
- Time zone
- America/Chicago
- Forecast office
- LSX
- Radar station
- KLSX
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 61.
Sunny, with a high near 86.
Partly cloudy, with a low around 66.
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 87. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 50%.
A chance of rain showers before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 89. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 50%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jun 3
|
Sunny
|
82°F |
3 to 7 mph
E
|
|
Wednesday Night
Jun 3
|
Mostly Clear
|
61°F |
1 to 6 mph
SE
|
|
Thursday
Jun 4
|
Sunny
|
86°F |
1 to 10 mph
S
|
|
Thursday Night
Jun 4
|
Partly Cloudy
|
66°F |
5 to 10 mph
S
|
|
Friday
Jun 5
|
Mostly Sunny then Chance Showers And Thunderstorms
|
88°F |
5 to 9 mph
S
|
|
Friday Night
Jun 5
|
Chance Showers And Thunderstorms
|
69°F |
5 to 8 mph
S
|
|
Saturday
Jun 6
|
Chance Showers And Thunderstorms
|
87°F |
6 to 9 mph
S
|
|
Saturday Night
Jun 6
|
Chance Showers And Thunderstorms
|
70°F |
5 to 8 mph
S
|
|
Sunday
Jun 7
|
Chance Showers And Thunderstorms
|
89°F |
5 to 8 mph
S
|
|
Sunday Night
Jun 7
|
Chance Showers And Thunderstorms
|
71°F |
7 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Rosemont.