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Algonquin, IL Weather


Algonquin, 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 Algonquin 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: 12:52 PM CDT SUN MAR 21 2010)

Fair Fair, 41°F Humidity: 62% Dewpoint: 29°F
Wind Speed: N 18.4 MPH G 25.3 (16 MPH G 22 KT) Heat Index: 41°F
Barometer: 30.07 in. Wind Chill: 32°F

Weather Forecast

(Generated: 10:24 AM CDT SUN MAR 21 2010)
Hi: 41°F This afternoon: Partly cloudy. Highs in the lower 40s. Northeast winds 10 to 15 mph.
Lo: 29°F
Hi: 50°F Monday: Mostly sunny. Highs around 50. Northeast winds 10 to 15 mph.
Lo: 29°F
Hi: 55°F Tuesday: Mostly sunny. Highs in the mid 50s. Southeast winds around 10 mph in the morning shifting to the southwest in the afternoon.
Lo: 39°F
Hi: 55°F Wednesday: Partly cloudy with a 20 percent chance of rain. Highs in the mid 50s. Then temperatures falling into the upper 40s by evening.
Lo: 35°F
Hi: 49°F Thursday: Partly cloudy. Highs in the upper 40s. Lows in the lower 30s.
Lo: 31°F
Hi: 49°F Friday: Partly cloudy. Highs in the upper 40s. Lows in the lower 30s.
Lo: 31°F
Hi: 49°F Friday: Partly cloudy. Highs in the upper 40s. Lows in the lower 30s.
Lo: 29°F

Moon, Sunrise and Sunset

Waxing Crescent Moon Moon Phase: Waxing Crescent Moon Civil Twilight:
6:26 AM CDT
Sunrise:
6:54 AM CDT
Sunset:
7:06 PM CDT
Civil Twilight:
7:34 PM CDT

Normal Climate

Normal Temperatures

(ELGIN Weather station, 6.64 miles from Algonquin)
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

(ELGIN Weather station, 6.64 miles from Algonquin)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Inch 1.68 1.38 2.23 3.91 3.84 4.31 3.93 4.43 3.63 2.66 3.12 2.10 37.22