East Cathlamet, WA Weather - Forecast & Monthly Averages

TEMPERATURE	43
HUMIDITY	93
PRESSURE
WIND COND.	45 2

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Weather Quick Facts

The highest monthly average temperature in East Cathlamet for August is 65.7 degrees
The lowest monthly average temperature in East Cathlamet for December is 39.3 degrees
The most monthly precipitation in East Cathlamet occurs in December with 8.9 inches
The air quality index in East Cathlamet is 57% better than the national average
The pollution index in East Cathlamet is 55% worse than the national average

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East Cathlamet 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	35°F	47°F	40°F	8.3"
February	36°F	52°F	42°F	5.4"
March	40°F	56°F	46°F	6.0"
April	41°F	62°F	50°F	4.8"
May	47°F	69°F	56°F	5.7"
June	52°F	73°F	60°F	3.6"
July	55°F	80°F	65°F	2.1"
August	55°F	81°F	66°F	2.8"
September	51°F	75°F	61°F	5.1"
October	46°F	63°F	53°F	6.4"
November	40°F	52°F	45°F	8.2"
December	35°F	45°F	39°F	8.9"

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East Cathlamet 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	East Cathlamet	Washington	National
Air quality index	18	36	42
Pollution index	4,215,410	4,541,850	2,726,193

East Cathlamet air quality

Measurement	Total
Days measured	360
Days with good air quality	338
Days with moderate air quality	22
Days w/ poor A.Q. for sensitive groups	0
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.005%
Benzene	0.050%
Carbon Tetrachloride	0.004%
Lead	0.030%
Mercury	0.250%

Average monthly East Cathlamet temperature with heat index

East Cathlamet monthly precipitation with daily maximum

East Cathlamet monthly snow depth with daily maximum

East Cathlamet monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Westport, OR	329	18	64.0%
Lower Elochoman, WA	475	18	64.0%
Upper Elochoman, WA	119	18	64.0%
Altoona, WA	35	18	64.0%
Puget Island, WA	1,227	18	64.0%
East Cathlamet, WA	512	18	64.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Gisela, AZ	512	60	20.0%
Mulford, CO	512	44	12.0%
Birmingham, IA	512	29	42.0%
Perrysville, IN	512	42	16.0%
Taylorsville, IN	512	41	18.0%
East Cathlamet, WA	512	18	64.0%

Source: The East Cathlamet, WA 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.