Olney, MD Weather - Forecast & Monthly Averages

TEMPERATURE	56
HUMIDITY	51
PRESSURE	102850
WIND COND.	330 24.1

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Weather Quick Facts

The highest monthly average temperature in Olney for July is 75.6 degrees
The lowest monthly average temperature in Olney for January is 31.4 degrees
The most monthly precipitation in Olney occurs in October with 9.4 inches
The air quality index in Olney is 12% worse than the national average
The pollution index in Olney is 455% worse than the national average

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Olney 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	24°F	41°F	31°F	4.1"
February	26°F	44°F	34°F	5.6"
March	34°F	55°F	43°F	6.4"
April	44°F	68°F	55°F	6.1"
May	55°F	76°F	64°F	9.2"
June	63°F	84°F	72°F	6.0"
July	66°F	87°F	76°F	5.5"
August	64°F	85°F	73°F	7.7"
September	58°F	79°F	67°F	7.6"
October	46°F	67°F	55°F	9.4"
November	36°F	55°F	44°F	5.4"
December	30°F	46°F	37°F	6.8"

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Olney 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	Olney	Maryland	National
Air quality index	47	43	42
Pollution index	15,133,000	5,342,367	2,726,193

Olney air quality

Measurement	Total
Days measured	365
Days with good air quality	209
Days with moderate air quality	145
Days w/ poor A.Q. for sensitive groups	10
Days with unhealthy air quality	1

Air quality details

Pollutant	Total
Arsenic	0.070%
Benzene	0.130%
Carbon Tetrachloride	0.060%
Lead	0.070%
Mercury	0.130%

Average monthly Olney temperature with heat index

Olney monthly precipitation with daily maximum

Olney monthly snow depth with daily maximum

Olney monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Monrovia, MD	1,556	40	20.0%
Urbana, MD	12,362	40	20.0%
Savage, MD	6,849	46	8.0%
Columbia, MD	105,412	46	8.0%
Maryland City, MD	17,681	46	8.0%
Olney, MD	35,350	47	6.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Moose Jaw, SK	35,355	n/a
La Porte, TX	35,340	52	4.0%
Carrollwood, FL	35,360	43	14.0%
Monroe, NC	35,339	49	2.0%
Lufkin, TX	35,336	36	28.0%
Olney, MD	35,350	47	6.0%

Source: The Olney, MD 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.