Glendale Heights, IL Weather Forecast
Local 7-day forecast
Slight Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Glendale Heights, IL in one place.
A slight chance of rain showers before 4am, then patchy fog. Mostly cloudy. Low around 69, with temperatures rising to around 71 overnight. Northeast wind around 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Glendale Heights, 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 10, 2026 5:49 AM CDT.
The active forecast window currently covers Jul 10 to Jul 16, 2026 for Glendale Heights, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 10 to Jul 16, 2026
- Latest sync
- Jul 10, 2026 5:49 AM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Glendale Heights
Tuesday looks like the warmest upcoming period in Glendale Heights at 92 degrees F.
Friday Night is the coolest period ahead with temperatures near 65 degrees F.
The strongest winds are forecast for Friday at about 5 to 10 mph ENE.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 10, 2026 5:49 AM CDT
- Coverage
- 7 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
Patchy fog before 8am. Partly sunny, with a high near 82. East northeast wind 5 to 10 mph. New rainfall amounts less than a tenth of an inch possible.
Mostly cloudy, with a low around 65. Northeast wind 5 to 10 mph.
Mostly sunny, with a high near 84. Northeast wind 5 to 10 mph.
Mostly clear, with a low around 65. East northeast wind 0 to 10 mph.
Sunny, with a high near 87.
Mostly clear, with a low around 68.
Sunny, with a high near 90.
Mostly clear, with a low around 70.
Sunny, with a high near 92.
Mostly clear, with a low around 72.
Sunny, with a high near 91.
Mostly clear, with a low around 71.
Sunny, with a high near 89.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Jul 10
|
Slight Chance Rain Showers
|
69°F |
5 mph
NE
|
|
Friday
Jul 10
|
Patchy Fog then Partly Sunny
|
82°F |
5 to 10 mph
ENE
|
|
Friday Night
Jul 10
|
Mostly Cloudy
|
65°F |
5 to 10 mph
NE
|
|
Saturday
Jul 11
|
Mostly Sunny
|
84°F |
5 to 10 mph
NE
|
|
Saturday Night
Jul 11
|
Mostly Clear
|
65°F |
0 to 10 mph
ENE
|
|
Sunday
Jul 12
|
Sunny
|
87°F |
0 to 5 mph
ENE
|
|
Sunday Night
Jul 12
|
Mostly Clear
|
68°F |
0 to 5 mph
ENE
|
|
Monday
Jul 13
|
Sunny
|
90°F |
0 to 5 mph
NE
|
|
Monday Night
Jul 13
|
Mostly Clear
|
70°F |
5 mph
SSW
|
|
Tuesday
Jul 14
|
Sunny
|
92°F |
0 to 10 mph
W
|
|
Tuesday Night
Jul 14
|
Mostly Clear
|
72°F |
5 to 10 mph
W
|
|
Wednesday
Jul 15
|
Sunny
|
91°F |
5 to 10 mph
WNW
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
71°F |
5 to 10 mph
W
|
|
Thursday
Jul 16
|
Sunny
|
89°F |
5 to 10 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Glendale Heights.