Federal Way, WA Weather - Forecast & Monthly Averages

TEMPERATURE	45
HUMIDITY	80
PRESSURE	100410
WIND COND.	170 11.2

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Weather Quick Facts

The highest monthly average temperature in Federal Way for August is 66.5 degrees
The lowest monthly average temperature in Federal Way for December is 40.6 degrees
The most monthly precipitation in Federal Way occurs in November with 7.1 inches
The air quality index in Federal Way is 7% worse than the national average
The pollution index in Federal Way is 549% worse than the national average

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Federal Way 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	48°F	42°F	5.6"
February	37°F	51°F	43°F	3.7"
March	39°F	55°F	46°F	5.1"
April	42°F	60°F	50°F	3.2"
May	47°F	68°F	56°F	2.2"
June	52°F	72°F	61°F	1.5"
July	56°F	80°F	66°F	0.6"
August	56°F	80°F	66°F	1.1"
September	53°F	73°F	61°F	1.9"
October	46°F	62°F	53°F	4.5"
November	40°F	53°F	46°F	7.1"
December	35°F	47°F	41°F	6.1"

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Federal Way 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	Federal Way	Washington	National
Air quality index	45	36	42
Pollution index	17,693,800	4,541,850	2,726,193

Federal Way air quality

Measurement	Total
Days measured	365
Days with good air quality	236
Days with moderate air quality	127
Days w/ poor A.Q. for sensitive groups	2
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.010%
Benzene	0.300%
Carbon Tetrachloride	0.050%
Lead	0.110%
Mercury	0.020%

Average monthly Federal Way temperature with heat index

Federal Way monthly precipitation with daily maximum

Federal Way monthly snow depth with daily maximum

Federal Way monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Dash Point, WA	1,008	18	64.0%
Burley, WA	2,515	18	64.0%
Purdy, WA	1,531	18	64.0%
Browns Point, WA	961	18	64.0%
East Port Orchard, WA	5,069	18	64.0%
Federal Way, WA	96,812	45	10.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Nampa, ID	96,825	36	28.0%
Albany, NY	96,860	37	26.0%
Erie, PA	96,616	36	28.0%
Bend, OR	97,032	20	60.0%
Lawrence, KS	97,348	41	18.0%
Federal Way, WA	96,812	45	10.0%

Source: The Federal Way, 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.