TODAY NOV17
TEMPERATURE52
HUMIDITY36
PRESSURE
WIND COND.
  • 6647Sat
  • 6645Sun
  • 6644Mon
  • 6644Tue
  • 6144Wed
daynightWeather update from PILOT HILL at

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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.
MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
January38°F57°F47°F10.1"
February41°F62°F51°F8.0"
March44°F67°F55°F8.4"
April46°F74°F59°F4.6"
May53°F83°F68°F2.6"
June58°F91°F75°F2.6"
July62°F96°F79°F0.2"
August60°F95°F77°F0.4"
September57°F90°F73°F1.3"
October50°F79°F63°F4.8"
November43°F65°F53°F7.5"
December37°F56°F46°F9.8"

Did you know?

  • The highest monthly average temperature in Newcastle for July is 79 degrees.
  • The lowest monthly average temperature in Newcastle for December is 46 degrees.
  • The most monthly precipitation in Newcastle occurs in January with 10.1 inches.
  • The air quality index in Newcastle is 10% worse than the national average.
  • The pollution index in Newcastle is 15% better than the national average.

Real Estate Listings In Newcastle

Compare Newcastle, CA 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.
IndexNewcastleCaliforniaNational
Air quality index555550
Pollution index4,289,31018,106,7265,066,862

Newcastle air quality information

MeasurementTotal
Days measured365
Days with good air quality155
Days with moderate air quality175
Days w/ poor A.Q. for sensitive groups31
Days with unhealthy air quality4

Newcastle air quality information

PollutantTotal
Arsenic0.050%
Benzene0.070%
Carbon Tetrachloride0.001%
Lead0.060%
Mercury0.010%

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, StatePopulationAir Quality IndexNational Avg.
Sheridan, CA1,4504216%
Lake of the Pines, CA3,9364216%
Meadow Vista, CA3,2144216%
Citrus Heights, CA85,9545510%
El Dorado Hills, CA43,4955510%
Newcastle, CA1,2495510%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Colebrook, NH1,2494118%
Lambert, MS1,2493334%
Sunnyside-Tahoe City, CA1,2494412%
Smithville, OH1,2493432%
Moapa Town, NV1,249548%
Newcastle, CA1,2495510%
Source: The Newcastle, CA 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.