TODAY JAN19
TEMPERATURE53
HUMIDITY86
PRESSURE29.71
WIND COND.80 5.4
  • 7549Wed
  • 6949Thu
  • 6447Fri
  • 6145Sat
  • 6244Sun
daynightWeather update from Long Beach, Long Beach Airport at

Key findings

  • The highest monthly average temperature in Los Altos for August is 72 degrees
  • The lowest monthly average temperature in Los Altos for December is 56 degrees
  • The most monthly precipitation in Los Altos occurs in December with 2.7 inches
  • The air quality index in Los Altos is 45% worse than the national average
  • The pollution index in Los Altos is 16% better than the national average

Compare Long Beach, CA Weather

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      Los Altos 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°F70°F57°F2.6"
      February48°F70°F58°F2.5"
      March51°F72°F60°F1.0"
      April53°F74°F62°F0.6"
      May57°F75°F65°F0.3"
      June61°F78°F67°F0.0"
      July65°F83°F71°F0.2"
      August65°F85°F72°F0.0"
      September63°F85°F72°F0.3"
      October59°F81°F68°F0.5"
      November52°F76°F62°F0.7"
      December46°F69°F56°F2.7"

      Los Altos 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.
      IndexLos AltosLong BeachCalifornia
      Air quality index727255
      Pollution index4,251,4104,251,41018,106,726

      Los Altos 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

      Los Altos air quality information

      PollutantTotal
      Arsenic0.010%
      Benzene0.100%
      Carbon Tetrachloride0.000%
      Lead0.010%
      Mercury0.000%

      Average monthly Los Altos temperature with heat index

      Los Altos monthly precipitation with daily maximum

      Los Altos monthly snow depth with daily maximum

      Los Altos monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Lawndale, CA33,1617244%
      Rolling Hills, CA1,7607244%
      Alondra Park, CA8,1467244%
      South San Jose Hills, CA19,9147244%
      Westmont, CA32,1477244%
      Long Beach, CA469,7937244%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Mesa, AZ470,4567448%
      Kansas City, MO471,767476%
      Atlanta, GA456,378524%
      Sacramento, CA484,530524%
      Virginia Beach, VA449,7334020%
      Long Beach, CA469,7937244%
      Source: The Los Altos, Long Beach, 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.