TODAY NOV21
TEMPERATURE48
HUMIDITY66
PRESSURE
WIND COND.
  • 7153Fri
  • 7562Sat
  • 8067Sun
  • 8464Mon
  • 7864Tue
daynightWeather update from Houston / Ellington at
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Weather Quick Facts

  • The highest monthly average temperature in Webster for August is 84.2 degrees
  • The lowest monthly average temperature in Webster for January is 54.8 degrees
  • The most monthly precipitation in Webster occurs in August with 7.4 inches
  • The air quality index in Webster is 24% worse than the national average
  • The pollution index in Webster is 74% better than the national average

Compare Webster, TX Weather

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      Webster 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
      January46°F66°F55°F3.7"
      February49°F69°F58°F2.4"
      March56°F75°F65°F3.2"
      April62°F80°F71°F5.0"
      May69°F86°F77°F4.7"
      June75°F92°F83°F4.2"
      July76°F93°F84°F5.7"
      August77°F94°F84°F7.4"
      September73°F90°F81°F4.1"
      October63°F84°F73°F5.3"
      November54°F75°F64°F4.1"
      December49°F67°F57°F3.8"

      Webster 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.
      IndexWebsterTexasNational
      Air quality index525242
      Pollution index701,6522,009,3002,726,193

      Webster air quality

      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

      Air quality details

      PollutantTotal
      Arsenic0.000%
      Benzene0.010%
      Carbon Tetrachloride0.001%
      Lead0.003%
      Mercury0.000%

      Average monthly Webster temperature with heat index

      Webster monthly precipitation with daily maximum

      Webster monthly snow depth with daily maximum

      Webster monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Hillcrest, TX702524.0%
      Clear Lake Shores, TX1,371524.0%
      La Porte, TX35,340524.0%
      Seabrook, TX13,849524.0%
      Bayou Vista, TX1,967524.0%
      Webster, TX11,229524.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Gloucester City, NJ11,229512.0%
      Mack, OH11,228548.0%
      Forestville, MD11,224476.0%
      Moncton, NB11,235n/a 
      Greensburg, IN11,2214118.0%
      Webster, TX11,229524.0%
      Source: The Webster, 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.