Longview, WA Weather - Forecast & Monthly Averages

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TEMPERATURE	50
HUMIDITY	87
PRESSURE	102099.62
WIND COND.

Weather Quick Facts

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

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

Longview 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 Longview temperature with heat index

Longview monthly precipitation with daily maximum

Longview monthly snow depth with daily maximum

Longview monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Prescott, OR	88	18	64.0%
Kelso, WA	12,512	18	64.0%
Rainier, OR	2,152	18	64.0%
Longview Heights, WA	4,481	18	64.0%
Clatskanie, OR	2,249	18	64.0%
Longview, WA	38,884	18	64.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Reynoldsburg, OH	38,884	46	8.0%
Navarre, FL	38,864	31	38.0%
Park Ridge, IL	38,854	55	10.0%
Clinton, MD	38,944	47	6.0%
Atlantic City, NJ	38,810	37	26.0%
Longview, WA	38,884	18	64.0%

Source: The Longview, 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.