TODAY NOV22
TEMPERATURE46
HUMIDITY72
PRESSURE102200
WIND COND.
  • 7646Fri
  • 7958Sat
  • 8362Sun
  • 8558Mon
  • 7862Tue
daynightWeather update from San Antonio - Kelly Field at
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Weather Quick Facts

  • The highest monthly average temperature in Lago Vista-South Southwest for August is 85.8 degrees
  • The lowest monthly average temperature in Lago Vista-South Southwest for January is 53.2 degrees
  • The most monthly precipitation in Lago Vista-South Southwest occurs in May with 4.4 inches
  • The air quality index in Lago Vista-South Southwest is 16% worse than the national average
  • The pollution index in Lago Vista-South Southwest is 787% worse than the national average

Compare San Antonio, TX Weather

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      Lago Vista-South Southwest 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
      January42°F67°F53°F2.4"
      February47°F71°F57°F1.2"
      March54°F78°F64°F2.5"
      April60°F84°F71°F2.4"
      May67°F89°F77°F4.4"
      June73°F95°F83°F1.8"
      July75°F97°F84°F2.3"
      August75°F99°F86°F2.9"
      September71°F93°F81°F3.2"
      October62°F86°F73°F2.4"
      November53°F76°F63°F1.5"
      December45°F67°F55°F1.8"

      Lago Vista-South Southwest 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.
      IndexLago Vista-South SouthwestSan AntonioTexas
      Air quality index494952
      Pollution index24,182,70024,182,7002,009,300

      Lago Vista-South Southwest air quality

      MeasurementTotal
      Days measured365
      Days with good air quality196
      Days with moderate air quality163
      Days w/ poor A.Q. for sensitive groups5
      Days with unhealthy air quality1

      Air quality details

      PollutantTotal
      Arsenic0.310%
      Benzene0.310%
      Carbon Tetrachloride0.080%
      Lead0.140%
      Mercury0.230%

      Average monthly Lago Vista-South Southwest temperature with heat index

      Lago Vista-South Southwest monthly precipitation with daily maximum

      Lago Vista-South Southwest monthly snow depth with daily maximum

      Lago Vista-South Southwest monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Macdona, TX258492.0%
      Castle Hills, TX4,459492.0%
      Somerset, TX1,821492.0%
      Leon Valley, TX12,279492.0%
      Balcones Heights, TX3,128492.0%
      San Antonio, TX1,529,133492.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Philadelphia, PA1,581,531512.0%
      San Diego, CA1,414,5456428.0%
      Phoenix, AZ1,658,4227448.0%
      Calgary, AB1,371,990n/a 
      Dallas, TX1,338,846512.0%
      San Antonio, TX1,529,133492.0%
      Source: The Lago Vista-South Southwest, San Antonio, 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.