Port Townsend, WA Weather - Forecast & Monthly Averages

TEMPERATURE	45
HUMIDITY	89
PRESSURE	101170
WIND COND.	157 17.7

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Weather Quick Facts

The highest monthly average temperature in Port Townsend for August is 59.4 degrees
The lowest monthly average temperature in Port Townsend for December is 40.2 degrees
The most monthly precipitation in Port Townsend occurs in November with 3.5 inches
The air quality index in Port Townsend is 43% better than the national average
The pollution index in Port Townsend is 40% better than the national average

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Port Townsend 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	46°F	41°F	2.9"
February	35°F	49°F	41°F	1.9"
March	38°F	52°F	45°F	2.3"
April	41°F	55°F	47°F	2.0"
May	46°F	60°F	52°F	1.8"
June	50°F	63°F	55°F	1.8"
July	53°F	68°F	59°F	0.7"
August	53°F	68°F	59°F	1.5"
September	49°F	65°F	56°F	1.4"
October	45°F	58°F	51°F	1.8"
November	40°F	51°F	45°F	3.5"
December	35°F	46°F	40°F	2.2"

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Port Townsend 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	Port Townsend	Washington	National
Air quality index	24	36	42
Pollution index	1,626,160	4,541,850	2,726,193

Port Townsend air quality

Measurement	Total
Days measured	365
Days with good air quality	361
Days with moderate air quality	4
Days w/ poor A.Q. for sensitive groups	0
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.005%
Benzene	0.020%
Carbon Tetrachloride	0.002%
Lead	0.020%
Mercury	0.001%

Average monthly Port Townsend temperature with heat index

Port Townsend monthly precipitation with daily maximum

Port Townsend monthly snow depth with daily maximum

Port Townsend monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Marrowstone, WA	943	24	52.0%
Camano, WA	17,073	24	52.0%
Oak Harbor, WA	23,358	24	52.0%
Cavalero, WA	5,395	24	52.0%
Freeland, WA	1,883	24	52.0%
Port Townsend, WA	9,710	24	52.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
North Bend, OR	9,708	19	62.0%
Safford, AZ	9,707	47	6.0%
East Rutherford, NJ	9,707	51	2.0%
Rio del Mar, CA	9,713	35	30.0%
Decatur, IN	9,700	45	10.0%
Port Townsend, WA	9,710	24	52.0%

Source: The Port Townsend, 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.