TODAY JUL16
TEMPERATURE63
HUMIDITY100
PRESSURE30.01
WIND COND.
  • 8165Mon30%
  • 8165Tue50%90%
  • 8257Wed60%
  • 8358Thu
  • 8360Fri
daynightWeather update from Wiscasset Airport at

Newcastle Average Weather

In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
January-20°F61°F23°F2.9"
February-12°F52°F24°F2.8"
March-7°F64°F32°F3.5"
April21°F82°F44°F4.7"
May27°F93°F53°F4.5"
June40°F94°F63°F4.8"
July46°F91°F68°F4.5"
August41°F93°F67°F4.2"
September30°F88°F60°F4.8"
October24°F81°F49°F6.0"
November9°F65°F40°F5.2"
December-6°F64°F28°F4.7"

Did you know?

  • The highest monthly average temperature in Newcastle for July is 68 degrees.
  • The lowest monthly average temperature in Newcastle for January is 23 degrees.
  • The most monthly precipitation in Newcastle occurs in October with 6 inches.
  • The air quality index in Newcastle is 29% better than the national average.
  • The pollution index in Newcastle is 52% better than the national average.

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Compare Newcastle, ME Weather To Other Cities

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.
IndexNewcastleMaineNational
Air quality index353350
Pollution index2,415,3902,555,8535,066,862

Newcastle air quality information

MeasurementTotal
Days measured211
Days with good air quality201
Days with moderate air quality6
Days w/ poor A.Q. for sensitive groups4
Days with unhealthy air quality

Newcastle air quality information

PollutantTotal
Arsenic0.004%
Benzene0.020%
Carbon Tetrachloride0.003%
Lead0.010%
Mercury0.002%

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, StatePopulationAir Quality IndexNational Avg.
Farmingdale, ME1,9532942%
Gardiner, ME5,6702942%
Wiscasset, ME1,2112942%
Randolph, ME1,8142942%
Richmond, ME1,6532942%
Newcastle, ME6253530%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Fox River, AK6252942%
Thorne Bay, AK6251962%
Fleming, CO6252060%
Cole, OK625476%
Garden City, UT625476%
Newcastle, ME6253530%
Source: The Newcastle, ME 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.