Chicago O Hare International Airport Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Chicago O Hare International Airport in one place.
A slight chance of rain showers between 7am and 10am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 83. Chance of precipitation is 40%.
Local Weather Overview
This forecast page for Chicago O Hare International Airport 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: Aug 24, 2026 4:41 AM CDT.
The active forecast window currently covers Aug 26 to Aug 30, 2026 for Chicago O Hare International Airport.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 26 to Aug 30, 2026
- Latest sync
- Aug 24, 2026 4:41 AM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Chicago O'Hare International Airport
Wednesday looks like the warmest upcoming period in Chicago O'Hare International Airport at 83 degrees F.
Thursday Night is the coolest period ahead with temperatures near 64 degrees F.
The strongest winds are forecast for Wednesday at about 10 to 15 mph SW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 24, 2026 4:41 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
A chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 66.
Sunny, with a high near 82.
Mostly clear, with a low around 64.
Sunny, with a high near 80.
Partly cloudy, with a low around 64.
A slight chance of rain showers between 7am and 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 81.
A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 82.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Aug 26
|
Chance Showers And Thunderstorms
|
83°F |
10 to 15 mph
SW
|
|
Wednesday Night
Aug 26
|
Chance Showers And Thunderstorms then Mostly Clear
|
66°F |
5 to 10 mph
W
|
|
Thursday
Aug 27
|
Sunny
|
82°F |
5 to 10 mph
NW
|
|
Thursday Night
Aug 27
|
Mostly Clear
|
64°F |
0 to 5 mph
NW
|
|
Friday
Aug 28
|
Sunny
|
80°F |
5 mph
N
|
|
Friday Night
Aug 28
|
Partly Cloudy
|
64°F |
0 to 5 mph
ESE
|
|
Saturday
Aug 29
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
81°F |
0 to 10 mph
S
|
|
Saturday Night
Aug 29
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
68°F |
5 mph
S
|
|
Sunday
Aug 30
|
Chance Showers And Thunderstorms
|
82°F |
5 to 10 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Chicago O'Hare International Airport.