TODAY FEB24
TEMPERATURE77
HUMIDITY64
PRESSURE30.02
WIND COND.220 11.2
  • 6959Thu30%40%
  • 7162Fri30%20%
  • 7566Sat30%
  • 7763Sun20%20%
  • 6955Mon40%20%
daynightWeather update from Houston Intercontinental Airport at

Key findings

  • The highest monthly average temperature in Northwest for August is 84 degrees
  • The lowest monthly average temperature in Northwest for January is 55 degrees
  • The most monthly precipitation in Northwest occurs in October with 10 inches
  • The air quality index in Northwest is 5% worse than the national average
  • The pollution index in Northwest is 1288% worse than the national average

Compare Houston, TX Weather

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      Northwest 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
      January47°F65°F55°F3.7"
      February49°F68°F57°F2.9"
      March56°F74°F64°F3.6"
      April62°F79°F70°F5.6"
      May70°F87°F77°F4.0"
      June75°F92°F83°F6.0"
      July76°F92°F83°F9.1"
      August77°F93°F84°F5.1"
      September73°F89°F80°F6.1"
      October64°F83°F72°F10.0"
      November55°F75°F64°F3.7"
      December47°F66°F56°F4.0"

      Northwest 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.
      IndexNorthwestHoustonTexas
      Air quality index525252
      Pollution index70,353,0002,906,8604,642,916

      Northwest air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality171
      Days with moderate air quality163
      Days w/ poor A.Q. for sensitive groups26
      Days with unhealthy air quality4

      Northwest air quality information

      PollutantTotal
      Arsenic0.003%
      Benzene0.040%
      Carbon Tetrachloride0.004%
      Lead0.001%
      Mercury0.002%

      Average monthly Northwest temperature with heat index

      Northwest monthly precipitation with daily maximum

      Northwest monthly snow depth with daily maximum

      Northwest monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Bellaire, TX18,140524%
      Hunters Creek Village, TX4,688524%
      Southside Place, TX1,746524%
      Jersey Village, TX7,871524%
      Aldine, TX14,867524%
      Houston, TX2,240,582524%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Chicago, IL2,714,0175510%
      Philadelphia, PA1,559,938512%
      Phoenix, AZ1,555,3247448%
      San Antonio, TX1,439,358492%
      San Diego, CA1,374,8126428%
      Houston, TX2,240,582524%
      Source: The Northwest, Houston, 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.