Astoria, OR Weather - Forecast & Monthly Averages

TEMPERATURE	49
HUMIDITY	83
PRESSURE	101190
WIND COND.	100 9.4

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Weather Quick Facts

The highest monthly average temperature in Astoria for August is 60.9 degrees
The lowest monthly average temperature in Astoria for December is 42.4 degrees
The most monthly precipitation in Astoria occurs in November with 12.7 inches
The air quality index in Astoria is 57% better than the national average
The pollution index in Astoria is 36% better than the national average

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Astoria 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	36°F	51°F	43°F	10.5"
February	37°F	53°F	44°F	6.7"
March	39°F	55°F	46°F	9.5"
April	40°F	57°F	49°F	6.0"
May	45°F	63°F	53°F	4.1"
June	50°F	66°F	57°F	2.4"
July	53°F	69°F	60°F	1.0"
August	53°F	71°F	61°F	0.8"
September	50°F	70°F	59°F	3.3"
October	45°F	63°F	53°F	7.4"
November	40°F	55°F	47°F	12.7"
December	36°F	49°F	42°F	11.3"

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Astoria 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	Astoria	Oregon	National
Air quality index	18	32	42
Pollution index	1,735,090	7,156,356	2,726,193

Astoria 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	0.010%
Benzene	0.020%
Carbon Tetrachloride	0.010%
Lead	0.010%
Mercury	0.002%

Average monthly Astoria temperature with heat index

Astoria monthly precipitation with daily maximum

Astoria monthly snow depth with daily maximum

Astoria monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Gearhart, OR	1,881	18	64.0%
Chinook, WA	168	18	64.0%
Seaside, OR	6,811	18	64.0%
Deep River, WA	169	18	64.0%
Altoona, WA	35	18	64.0%
Astoria, OR	9,929	18	64.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Warrenton, VA	9,928	38	24.0%
Fort Salonga, NY	9,930	43	14.0%
Queens, NS	9,932	n/a
Wimauma, FL	9,922	43	14.0%
Clay, AL	9,936	53	6.0%
Astoria, OR	9,929	18	64.0%

Source: The Astoria, 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.