TODAY APR16
TEMPERATURE77
HUMIDITY
PRESSURE101020
WIND COND.250 16.6
  • 9067Wed
  • 9254Thu30%
  • 7154Fri20%20%
  • 6547Sat60%80%
  • 6346Sun30%
daynightWeather update from Graham, Graham Municipal Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Newcastle for July is 84.6 degrees
  • The lowest monthly average temperature in Newcastle for January is 43.2 degrees
  • The most monthly precipitation in Newcastle occurs in September with 2.7 inches
  • The air quality index in Newcastle is 38% better than the national average
  • The pollution index in Newcastle is 85% better than the national average

Compare Newcastle, TX Weather

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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
      January32°F59°F43°F1.0"
      February36°F64°F48°F1.1"
      March46°F73°F57°F0.8"
      April53°F81°F65°F1.1"
      May61°F86°F72°F1.5"
      June70°F94°F81°F1.6"
      July73°F97°F85°F1.3"
      August73°F98°F84°F1.2"
      September65°F90°F76°F2.7"
      October54°F81°F66°F1.8"
      November44°F69°F55°F0.5"
      December34°F59°F44°F0.6"

      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.
      IndexNewcastleTexasNational
      Air quality index265242
      Pollution index406,0902,009,3002,726,193

      Newcastle air quality information

      MeasurementTotal
      Days measured345
      Days with good air quality308
      Days with moderate air quality37
      Days w/ poor A.Q. for sensitive groups
      Days with unhealthy air quality

      Newcastle air quality information

      PollutantTotal
      Arsenic0.000%
      Benzene0.010%
      Carbon Tetrachloride0.000%
      Lead0.000%
      Mercury0.000%

      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

      CityPopulationAir Quality IndexNational Avg.
      Olney, TX3,0982648.0%
      Graham, TX8,6182648.0%
      Elbert, TX72648.0%
      Newcastle, TX5772648.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Fields Landing, CA5772746.0%
      Chaplin, KY577492.0%
      Cedarville, MD577476.0%
      Oak Hill, MI5773628.0%
      Martinsburg, MO5773824.0%
      Newcastle, TX5772648.0%
      Source: The Newcastle, TX 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.