Bartlett, IL Weather

Bartlett, 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 83.00 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 10.90 degrees Fahrenheit.

Temperature variations between night and day tend to be moderate during summer with a difference that can reach 21 degrees Fahrenheit, and fairly limited during winter with an average difference of 17 degrees Fahrenheit.

The annual average precipitation at Bartlett is 37.22 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is August with an average rainfall of 4.43 Inches.

Weather Data

Current Conditions

(Updated: 10:52 AM CST THU DEC 4 2008)

Fair, 19°F	Humidity: 62%	Dewpoint: 8°F
	Wind Speed: W 6 MPH	Heat Index: 19°F
	Barometer: 30.34 in.	Wind Chill: 11°F

Weather Forecast

(Generated: 3:54 AM CST THU DEC 04 2008)

	Hi: 25°F	Today: Mostly sunny this morning. Becoming mostly cloudy with a chance of flurries this afternoon. Highs in the mid 20s. West winds 10 to 15 mph.
	Lo: 12°F
	Hi: 25°F	Friday: Partly sunny. Highs in the mid 20s. Southwest winds 10 to 20 mph.
	Lo: 20°F
	Hi: 31°F	Saturday: Cloudy with snow likely. Some snow accumulation possible. Highs in the lower 30s. West winds 10 to 20 mph. Gusts up to 30 mph in the afternoon. Chance of precipitation 60 percent.
	Lo: 14°F
	Hi: 25°F	Sunday: Mostly sunny in the morning then becoming partly cloudy. Highs in the mid 20s.
	Lo: 29°F
	Hi: 31°F	Monday: Cloudy with a 30 percent chance of snow. Highs in the lower 30s. Lows in the upper 20s.
	Lo: 29°F
	Hi: 35°F	Tuesday: Mostly cloudy with a 30 percent chance of snow or rain. Highs in the mid 30s. Then temperatures falling into the mid 20s by evening.
	Lo: 19°F

Moon, Sunrise and Sunset

	Moon Phase: First Quarter Moon	Civil Twilight: 6:31 AM CST	Sunrise: 7:02 AM CST
		Sunset: 4:21 PM CST	Civil Twilight: 4:53 PM CST

Normal Climate

Normal Temperatures

(ELGIN Weather station, 7.10 miles from Bartlett)

Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Max °F	27.6	32.9	44.3	57.5	69.4	79.4	83.0	81.0	74.0	62.0	46.4	33.1	57.6
Mean °F	19.3	24.3	35.2	47.0	58.4	68.1	72.6	70.6	62.7	50.8	37.8	25.2	47.7
Min °F	10.9	15.7	26.0	36.4	47.4	56.7	62.1	60.2	51.4	39.5	29.1	17.3	37.7

Normal Precipitation