TODAY JUL16
TEMPERATURE66
HUMIDITY52
PRESSURE
WIND COND.129 38.6
  • 8761Thu
  • 8962Fri
  • 9265Sat
  • 9366Sun
  • 9365Mon
daynightWeather update from CAMP 9 at

Key findings

  • The highest monthly average temperature in Sylmar for August is 73 degrees
  • The lowest monthly average temperature in Sylmar for December is 57 degrees
  • The most monthly precipitation in Sylmar occurs in January with 3.5 inches
  • The air quality index in Sylmar is 45% worse than the national average
  • The pollution index in Sylmar is 2653% worse than the national average

Compare Los Angeles, CA Weather

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      Sylmar 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
      January48°F70°F58°F3.5"
      February50°F70°F59°F2.9"
      March52°F72°F61°F1.5"
      April55°F74°F63°F0.7"
      May58°F75°F65°F0.5"
      June61°F78°F68°F0.0"
      July65°F83°F72°F0.0"
      August65°F84°F73°F0.0"
      September64°F85°F72°F0.3"
      October60°F81°F69°F0.7"
      November54°F75°F63°F0.8"
      December48°F69°F57°F2.8"

      Sylmar 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.
      IndexSylmarLos AngelesCalifornia
      Air quality index727255
      Pollution index139,490,000139,490,00018,106,726

      Sylmar air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality66
      Days with moderate air quality208
      Days w/ poor A.Q. for sensitive groups62
      Days with unhealthy air quality28

      Sylmar air quality information

      PollutantTotal
      Arsenic0.200%
      Benzene0.950%
      Carbon Tetrachloride0.080%
      Lead1.320%
      Mercury0.440%

      Average monthly Sylmar temperature with heat index

      Sylmar monthly precipitation with daily maximum

      Sylmar monthly snow depth with daily maximum

      Sylmar monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Agua Dulce, CA3,5417244%
      Calabasas, CA24,0917244%
      Hidden Hills, CA1,5737244%
      Santa Clarita, CA180,3037244%
      Val Verde, CA2,7167244%
      Los Angeles, CA3,918,8727244%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Chicago, IL2,714,0175510%
      Houston, TX2,240,582524%
      Philadelphia, PA1,559,938512%
      Phoenix, AZ1,555,3247448%
      San Antonio, TX1,439,358492%
      Los Angeles, CA3,918,8727244%
      Source: The Sylmar, Los Angeles, 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.