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Arlington Heights, Illinois, United States

21°C
Partly Cloudy
Apparent RealFeel® Realities: 22°C
Humidity 76%
Wind Vector 7.9 km/h
UV Exposure 4.6
Precipitation 0 mm

Atmospheric Air Purity Index

AQI European Standard: 61
PM2.5 Density28 µg/m³
PM10 Particles28 µg/m³
Ozone Layer (O₃)3 µg/m³

Deep 7-Day Extended Climate Outlook

Today
Overcast
27°C 19°C
Solar Index Elements
Sunrise: 07:02 AM
Sunset: 06:13 PM
Peak UV Rating: 4.6
Moisture & Precipit
Expected Accumulation: 3.9 mm
RealFeel Max Threshold: 27°C
Wind Dynamics
Peak Wind Gust Speed: 20 km/h
Barometric Mapping Tier: Standard Axis
Wednesday, Oct 14
Moderate Rain Currents
19°C 13°C
Solar Index Elements
Sunrise: 07:03 AM
Sunset: 06:11 PM
Peak UV Rating: 2.2
Moisture & Precipit
Expected Accumulation: 1.77 mm
RealFeel Max Threshold: 21°C
Wind Dynamics
Peak Wind Gust Speed: 17 km/h
Barometric Mapping Tier: Standard Axis
Thursday, Oct 15
Heavy Rain Torrential
14°C 13°C
Solar Index Elements
Sunrise: 07:04 AM
Sunset: 06:10 PM
Peak UV Rating: 0.3
Moisture & Precipit
Expected Accumulation: 12.7 mm
RealFeel Max Threshold: 14°C
Wind Dynamics
Peak Wind Gust Speed: 15 km/h
Barometric Mapping Tier: Standard Axis
Friday, Oct 16
Light Drizzle
14°C 8°C
Solar Index Elements
Sunrise: 07:05 AM
Sunset: 06:08 PM
Peak UV Rating: 2.35
Moisture & Precipit
Expected Accumulation: 0.5 mm
RealFeel Max Threshold: 12°C
Wind Dynamics
Peak Wind Gust Speed: 29 km/h
Barometric Mapping Tier: Standard Axis
Saturday, Oct 17
Overcast
13°C 5°C
Solar Index Elements
Sunrise: 07:06 AM
Sunset: 06:06 PM
Peak UV Rating: 4.25
Moisture & Precipit
Expected Accumulation: 0 mm
RealFeel Max Threshold: 9°C
Wind Dynamics
Peak Wind Gust Speed: 18 km/h
Barometric Mapping Tier: Standard Axis
Sunday, Oct 18
Overcast
18°C 8°C
Solar Index Elements
Sunrise: 07:08 AM
Sunset: 06:05 PM
Peak UV Rating: 4.2
Moisture & Precipit
Expected Accumulation: 0 mm
RealFeel Max Threshold: 14°C
Wind Dynamics
Peak Wind Gust Speed: 22 km/h
Barometric Mapping Tier: Standard Axis
Monday, Oct 19
Overcast
17°C 12°C
Solar Index Elements
Sunrise: 07:09 AM
Sunset: 06:03 PM
Peak UV Rating: 2.5
Moisture & Precipit
Expected Accumulation: 0 mm
RealFeel Max Threshold: 14°C
Wind Dynamics
Peak Wind Gust Speed: 17 km/h
Barometric Mapping Tier: Standard Axis