TODAY MAR19
TEMPERATURE49
HUMIDITY91
PRESSURE
WIND COND.232 1.6
  • 6646Tue
  • 6647Wed
  • 6749Thu
  • 6850Fri
  • 6248Sat
daynightWeather update from LOS ALTOS at
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Weather Quick Facts

  • The highest monthly average temperature in East Palo Alto for July is 66.7 degrees
  • The lowest monthly average temperature in East Palo Alto for January is 50.4 degrees
  • The most monthly precipitation in East Palo Alto occurs in December with 2.6 inches
  • The air quality index in East Palo Alto is 2% worse than the national average
  • The pollution index in East Palo Alto is 321% worse than the national average

Compare East Palo Alto, CA Weather

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      East Palo Alto 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°F61°F50°F2.4"
      February45°F63°F53°F2.4"
      March47°F67°F56°F2.0"
      April49°F70°F58°F1.3"
      May53°F73°F61°F0.3"
      June56°F77°F65°F0.2"
      July59°F78°F67°F0.0"
      August59°F78°F66°F0.0"
      September57°F80°F67°F0.1"
      October53°F75°F63°F0.7"
      November47°F67°F56°F1.3"
      December42°F60°F51°F2.6"

      East Palo Alto 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.
      IndexEast Palo AltoCaliforniaNational
      Air quality index435542
      Pollution index11,477,20010,473,1902,726,193

      East Palo Alto air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality263
      Days with moderate air quality98
      Days w/ poor A.Q. for sensitive groups4
      Days with unhealthy air quality0

      East Palo Alto air quality information

      PollutantTotal
      Arsenic0.070%
      Benzene0.110%
      Carbon Tetrachloride0.000%
      Lead0.160%
      Mercury0.090%

      Average monthly East Palo Alto temperature with heat index

      East Palo Alto monthly precipitation with daily maximum

      East Palo Alto monthly snow depth with daily maximum

      East Palo Alto monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Loma Mar, CA2823530.0%
      San Lorenzo, CA30,1174020.0%
      Brisbane, CA4,6454020.0%
      South San Francisco, CA66,8784020.0%
      Fremont, CA234,8294314.0%
      East Palo Alto, CA29,4484314.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Stockbridge, GA29,446524.0%
      Norwood, MA29,4464314.0%
      Oak Park, MI29,4465612.0%
      Seguin, TX29,458492.0%
      Suisun City, CA29,4593530.0%
      East Palo Alto, CA29,4484314.0%
      Source: The East Palo Alto, 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.