Johnson City, OR Weather - Forecast & Monthly Averages

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TEMPERATURE	48
HUMIDITY	67
PRESSURE
WIND COND.	223 12.9

Weather Quick Facts

The highest monthly average temperature in Johnson City for August is 68.9 degrees
The lowest monthly average temperature in Johnson City for December is 39.8 degrees
The most monthly precipitation in Johnson City occurs in November with 6.5 inches
The air quality index in Johnson City is 10% better than the national average
The pollution index in Johnson City is 323% worse than the national average

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Johnson City 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	40°F	4.7"
February	38°F	51°F	44°F	3.2"
March	40°F	57°F	47°F	5.2"
April	42°F	63°F	51°F	3.6"
May	48°F	71°F	58°F	2.8"
June	53°F	76°F	63°F	2.1"
July	56°F	84°F	69°F	0.5"
August	56°F	85°F	69°F	0.4"
September	52°F	78°F	64°F	1.6"
October	46°F	65°F	55°F	4.5"
November	42°F	53°F	47°F	6.5"
December	35°F	45°F	40°F	5.1"

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Johnson City 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	Johnson City	Oregon	National
Air quality index	38	32	42
Pollution index	11,541,100	7,156,356	2,726,193

Johnson City air quality

Measurement	Total
Days measured	365
Days with good air quality	285
Days with moderate air quality	77
Days w/ poor A.Q. for sensitive groups	3
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.010%
Benzene	0.140%
Carbon Tetrachloride	0.020%
Lead	0.020%
Mercury	0.010%

Average monthly Johnson City temperature with heat index

Johnson City monthly precipitation with daily maximum

Johnson City monthly snow depth with daily maximum

Johnson City monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Donald, OR	1,465	32	36.0%
Gresham, OR	110,456	38	24.0%
Camas, WA	24,043	38	24.0%
Durham, OR	1,764	38	24.0%
King City, OR	4,345	38	24.0%
Johnson City, OR	539	38	24.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Elliott, IA	539	40	20.0%
Michigantown, IN	539	42	16.0%
Upton, KY	539	39	22.0%
Beaver Creek, MD	539	40	20.0%
Republic, MI	539	8	84.0%
Johnson City, OR	539	38	24.0%

Source: The Johnson City, 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.