West Linn, OR Weather - Forecast & Monthly Averages

TEMPERATURE	39
HUMIDITY	96
PRESSURE	101220
WIND COND.

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Weather Quick Facts

The highest monthly average temperature in West Linn for July is 69 degrees
The lowest monthly average temperature in West Linn for January is 39.8 degrees
The most monthly precipitation in West Linn occurs in December with 10.1 inches
The air quality index in West Linn is 10% better than the national average
The pollution index in West Linn is 323% worse than the national average

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West Linn 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	34°F	48°F	40°F	4.1"
February	35°F	53°F	43°F	3.9"
March	40°F	61°F	49°F	4.7"
April	42°F	62°F	51°F	3.1"
May	48°F	70°F	58°F	4.2"
June	51°F	73°F	60°F	2.3"
July	56°F	84°F	69°F	2.0"
August	55°F	85°F	68°F	4.3"
September	49°F	76°F	61°F	4.5"
October	46°F	62°F	53°F	5.6"
November	36°F	53°F	43°F	5.8"
December	35°F	47°F	40°F	10.1"

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West Linn 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	West Linn	Oregon	National
Air quality index	38	32	42
Pollution index	11,541,100	7,156,356	2,726,193

West Linn air quality

Measurement	Total
Days measured	365
Days with good air quality	285
Days with moderate air quality	77
Days w/ poor A.Q. for sensitive groups	3
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.010%
Benzene	0.140%
Carbon Tetrachloride	0.020%
Lead	0.020%
Mercury	0.010%

Average monthly West Linn temperature with heat index

West Linn monthly precipitation with daily maximum

West Linn monthly snow depth with daily maximum

West Linn monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Hubbard, OR	3,527	32	36.0%
Donald, OR	1,465	32	36.0%
Molalla, OR	9,224	32	36.0%
Gresham, OR	110,456	38	24.0%
Washougal, WA	15,927	38	24.0%
West Linn, OR	26,764	38	24.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Colleyville, TX	26,766	51	2.0%
Winona, MN	26,772	15	70.0%
Chaska, MN	26,753	46	8.0%
Prior Lake, MN	26,775	46	8.0%
Xenia, OH	26,751	47	6.0%
West Linn, OR	26,764	38	24.0%

Source: The West Linn, OR 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.