Glendale Heights, IL Weather Tomorrow

Check the latest weather forecast for Glendale Heights tomorrow and over the next 5 days with precipitation chances, day and night conditions, high and low temperatures in Fahrenheit and Celsius, sunrise, sunset, sky conditions, wind chill, and wind speed with direction for the Glendale Heights area and around DuPage county, Illinois.
Updated: Sun Sep 6th 2026 6:45 AM CDT
Glendale Heights, IL Weather – 9-6 – Sunny
81° / 65°
Sunny
A sunny day is in the forecast for Glendale Heights, with a high of 81°F and a low of 65°F. There might be light rainfall having a 11% chance. Winds will be light at 10mph and gusts of 21mph at 1 PM. The humidity will be on the higher side, averaging about 74%, the maximum being 84% at 8 AM and 53% being its lowest at 2 PM. Barometric pressure is its highest of 30.11inHg at 11 AM, a lowest point of 30.07inHg at 5 PM with an avg 30.09inHg.
Glendale Heights, IL Weather – 9-7 – Sunny
77° / 64°

Weather Tomorrow

Sunny
Glendale Heights could see sunshine with daytime highs of 77°F and nighttime lows near 64°F. There's a very small chance of rainfall, only about 10%. Winds will be light at 9mph and gusts of 17.3mph at 10 PM. The humidity will be on the higher side, averaging about 71%, the maximum being 92% at 3 AM and 43% being its lowest at 3 PM. Barometric pressure is its highest of 30.17inHg at 10 AM, a lowest point of 30.1inHg at 5 PM with an avg 30.14inHg.
Glendale Heights, IL Weather – 9-8 – Overcast
79° / 63°
Overcast
Daytime highs will reach 79°F with lows dropping to 63°F in Glendale Heights, where it will be overcast. There might be light rainfall having a 17% chance. Wind will be moderate, blowing around 15mph on average and gusts of 39.9mph at 11 PM. The humidity will be on the higher side, averaging about 76%, the maximum being 96% at 6 AM and 60% being its lowest at 3 PM. Barometric pressure is its highest of 30.13inHg at 8 AM, a lowest point of 29.95inHg at 11 PM with an avg 30.06inHg.
Glendale Heights, IL Weather – 9-9 – Overcast
82° / 67°
Overcast
Skies will be overcast in Glendale Heights, with a high of 82°F and a low of 67°F. Rainfall predicted to have a 70% chance with an estimated 0.11in. Wind will be moderate, blowing around 14mph on average and gusts of 37.4mph at 12 AM. The humidity will be on the higher side, averaging about 73%, the maximum being 96% at 9 PM and 49% being its lowest at 1 PM. Barometric pressure is its highest of 30.04inHg at 10 PM, a lowest point of 29.9inHg at 11 PM with an avg 29.98inHg.
Glendale Heights, IL Weather – 9-10 – Sunny
75° / 59°
Sunny
Glendale Heights may see a sunny day, with daytime highs of 75°F and overnight lows near 59°F. Rainfall predicted to have a 64% chance with an estimated 0.06in. Wind will be moderate, blowing around 11mph on average and gusts of 19.6mph at 1 AM. High humidity with average of 84% is anticipated, the maximum being 97% at 6 AM and 53% being its lowest at 12 PM. Barometric pressure is its highest of 30.08inHg at 1 PM, a lowest point of 29.81inHg at 5 AM with an avg 29.97inHg.
Glendale Heights, IL Weather – 9-11 – Sunny
71° / 58°
Sunny
It will be sunny in Glendale Heights, with a high of 71°F and a low of 58°F. There's a very small chance of rainfall, only about 6%. Winds will be light at 9mph and gusts of 13.4mph at 4 PM. The humidity will be on the higher side, averaging about 71%, the maximum being 94% at 4 AM and 46% being its lowest at 4 PM. Barometric pressure is its highest of 30.08inHg at 6 AM, a lowest point of 30.03inHg at 5 PM with an avg 30.06inHg.

Currently

Clear 65°F
30.04 inHg.
Barometer
91%
Humidity
ENE 10.4 mph
Wind
Clear

5 Day Forecast Nearby

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