Port Barrington, IL Weather - Forecast & Monthly Averages

TEMPERATURE
HUMIDITY	88
PRESSURE	102410
WIND COND.

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Weather Quick Facts

The highest monthly average temperature in Port Barrington for July is 74.5 degrees
The lowest monthly average temperature in Port Barrington for January is 24.9 degrees
The most monthly precipitation in Port Barrington occurs in June with 4.7 inches
The air quality index in Port Barrington is 31% worse than the national average
The pollution index in Port Barrington is 80% better than the national average

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Port Barrington Average Temperature

In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
Month	Temp. _(min)	Temp. _(max)	Temp. _(avg)	Precipitation
January	18°F	33°F	25°F	1.1"
February	19°F	34°F	26°F	1.4"
March	30°F	48°F	38°F	1.8"
April	39°F	60°F	49°F	2.7"
May	49°F	71°F	60°F	3.6"
June	60°F	81°F	69°F	4.7"
July	65°F	85°F	74°F	4.0"
August	64°F	83°F	73°F	4.4"
September	56°F	76°F	66°F	2.7"
October	45°F	64°F	54°F	3.2"
November	34°F	50°F	42°F	1.7"
December	23°F	37°F	30°F	2.0"

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Port Barrington air quality index & pollution index

In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
Index	Port Barrington	Illinois	National
Air quality index	55	41	42
Pollution index	543,516	3,148,694	2,726,193

Port Barrington air quality

Measurement	Total
Days measured	365
Days with good air quality	121
Days with moderate air quality	227
Days w/ poor A.Q. for sensitive groups	16
Days with unhealthy air quality	1

Air quality details

Pollutant	Total
Arsenic	0.000%
Benzene	0.004%
Carbon Tetrachloride	0.000%
Lead	0.000%
Mercury	0.000%

Average monthly Port Barrington temperature with heat index

Port Barrington monthly precipitation with daily maximum

Port Barrington monthly snow depth with daily maximum

Port Barrington monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Greenwood, IL	352	37	26.0%
Long Lake, IL	3,065	39	22.0%
Green Oaks, IL	3,882	39	22.0%
Island Lake, IL	8,112	39	22.0%
Round Lake Beach, IL	27,313	39	22.0%
Port Barrington, IL	1,742	55	10.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Lost Hills, CA	1,742	67	34.0%
Pittsville, MD	1,742	36	28.0%
Nisswa, MN	1,742	29	42.0%
South Browning, MT	1,742	37	26.0%
Sodus, NY	1,742	37	26.0%
Port Barrington, IL	1,742	55	10.0%

Source: The Port Barrington, IL weather data displayed above is derived from the NOAA (National Oceanic and Atmospheric). Air quality and pollution data is derived from the EPA (United States Environmental Protection Agency). Air quality and pollution levels measured in a particular area may not be representative of the entire county.