Arlington, IL Weather
Arlington, IL climate is warm during summer when temperatures tend to be in the 70's and very cold during winter when temperatures tend to be in the 20's.
The warmest month of the year is July with an average maximum temperature of 85.30 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 11.60 degrees Fahrenheit.
Temperature variations between night and day tend to be moderate during summer with a difference that can reach 22 degrees Fahrenheit, and fairly limited during winter with an average difference of 18 degrees Fahrenheit.
The annual average precipitation at Arlington is 37.70 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is May with an average rainfall of 4.55 Inches.
Weather Data
Current Conditions
|
Overcast, 44°F | Humidity: 83% | Dewpoint: 39°F |
| Wind Speed: W 12.7 MPH (11 KT) | Heat Index: 44°F | ||
| Barometer: 29.80 in. | Wind Chill: 38°F |
Weather Forecast
 | Hi: 49°F | Rest of today: Rain showers likely. High in the upper 40s. West wind 10 to 20 mph. Chance of showers 70 percent. |
| Lo: 31°F | ||
 | Hi: 39°F | Thanksgiving day: Blustery...Colder. Mostly cloudy. A 50 percent chance of light snow in the morning. High in the upper 30s. Northwest wind 15 to 25 mph with gusts to around 30 mph. |
| Lo: 29°F | ||
 | Hi: 49°F | Friday: Mostly sunny. High in the upper 40s. West wind 5 to 10 mph. |
| Lo: 31°F | ||
| Hi: 51°F | Saturday: Sunny. High in the lower 50s. |
| Lo: 39°F | ||
 | Hi: 49°F | Sunday: Partly sunny. High in the upper 40s. |
| Lo: 31°F | ||
 | Hi: 41°F | Monday: Windy. Mostly cloudy. High in the lower 40s. Low in the lower 30s. |
| Lo: 31°F | ||
| Hi: 41°F | Tuesday: Windy. Mostly cloudy. High in the lower 40s. Low in the lower 30s. |
| Lo: 31°F |
Moon, Sunrise and Sunset
 |
Moon Phase: Waxing Gibbous Moon | Civil Twilight: 6:26 AM CST |
Sunrise: 6:56 AM CST |
| Sunset: 4:30 PM CST |
Civil Twilight: 5:00 PM CST |
Normal Climate
Normal Temperatures
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max °F | 29.0 | 34.7 | 47.4 | 61.1 | 72.8 | 82.3 | 85.3 | 83.1 | 76.5 | 64.8 | 48.0 | 34.6 | 60.0 |
| Mean °F | 20.3 | 25.8 | 37.6 | 49.5 | 60.8 | 70.5 | 74.2 | 72.1 | 64.2 | 52.7 | 38.9 | 26.3 | 49.4 |
| Min °F | 11.6 | 16.8 | 27.7 | 37.8 | 48.7 | 58.7 | 63.1 | 61.0 | 51.9 | 40.6 | 29.8 | 18.0 | 38.8 |
Normal Precipitation
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inch | 1.46 | 1.42 | 2.67 | 3.60 | 4.55 | 4.10 | 4.04 | 4.11 | 3.63 | 3.00 | 2.83 | 2.29 | 37.70 |
