Newcastle, WY Weather - Forecast & Monthly Averages

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TEMPERATURE	55
HUMIDITY	35
PRESSURE
WIND COND.	110 16.6

Weather Quick Facts

The highest monthly average temperature in Newcastle for July is 69.8 degrees
The lowest monthly average temperature in Newcastle for December is 23.4 degrees
The most monthly precipitation in Newcastle occurs in May with 6.6 inches
The air quality index in Newcastle is 5% worse than the national average
The pollution index in Newcastle is 28% better than the national average

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Newcastle 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	13°F	36°F	24°F	0.9"
February	15°F	38°F	26°F	1.1"
March	25°F	49°F	36°F	2.1"
April	28°F	53°F	39°F	4.4"
May	36°F	63°F	50°F	6.6"
June	47°F	76°F	61°F	3.5"
July	54°F	85°F	70°F	3.1"
August	52°F	79°F	65°F	5.8"
September	43°F	73°F	58°F	2.5"
October	34°F	58°F	45°F	1.7"
November	24°F	48°F	35°F	0.8"
December	14°F	34°F	23°F	1.0"

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Newcastle 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	Newcastle	Wyoming	National
Air quality index	44	39	42
Pollution index	1,968,790	1,779,975	2,726,193

Newcastle air quality

Measurement	Total
Days measured	365
Days with good air quality	274
Days with moderate air quality	87
Days w/ poor A.Q. for sensitive groups	4
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.003%
Benzene	0.030%
Carbon Tetrachloride	0.004%
Lead	0.020%
Mercury	0.010%

Average monthly Newcastle temperature with heat index

Newcastle monthly precipitation with daily maximum

Newcastle monthly snow depth with daily maximum

Newcastle monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Osage, WY	48	40	20.0%
Hill View Heights, WY	67	44	12.0%
Newcastle, WY	3,484	44	12.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Fort Branch, IN	3,484	45	10.0%
Clayton, DE	3,485	42	16.0%
Hanover, MN	3,482	46	8.0%
New Hampton, IA	3,486	39	22.0%
Rio Dell, CA	3,481	27	46.0%
Newcastle, WY	3,484	44	12.0%

Source: The Newcastle, WY 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.