TODAY APR19
TEMPERATURE59
HUMIDITY75
PRESSURE101590
WIND COND.70 11.2
  • 6850Sat
  • 7151Sun
  • 7352Mon
  • 6551Tue
  • 6350Wed
daynightWeather update from San Francisco, San Francisco International Airport at
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Weather Quick Facts

  • The highest monthly average temperature in San Mateo Park for September is 63.3 degrees
  • The lowest monthly average temperature in San Mateo Park for January is 50.7 degrees
  • The most monthly precipitation in San Mateo Park occurs in December with 4.4 inches
  • The air quality index in San Mateo Park is 2% worse than the national average
  • The pollution index in San Mateo Park is 254% worse than the national average

Compare San Mateo, CA Weather

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      San Mateo Park 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
      January44°F58°F51°F3.2"
      February46°F62°F53°F3.4"
      March47°F64°F54°F2.7"
      April49°F67°F56°F1.7"
      May51°F69°F58°F0.3"
      June54°F72°F61°F0.2"
      July56°F73°F62°F0.0"
      August56°F73°F62°F0.0"
      September56°F76°F63°F0.1"
      October54°F73°F62°F1.0"
      November49°F65°F56°F1.7"
      December44°F58°F51°F4.4"

      San Mateo Park 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.
      IndexSan Mateo ParkSan MateoCalifornia
      Air quality index434355
      Pollution index9,645,6109,645,61010,473,190

      San Mateo Park 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

      San Mateo Park air quality information

      PollutantTotal
      Arsenic0.140%
      Benzene0.070%
      Carbon Tetrachloride0.000%
      Lead0.100%
      Mercury0.020%

      Average monthly San Mateo Park temperature with heat index

      San Mateo Park monthly precipitation with daily maximum

      San Mateo Park monthly snow depth with daily maximum

      San Mateo Park monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Ashland, CA23,5664020.0%
      San Lorenzo, CA30,1174020.0%
      Brisbane, CA4,6454020.0%
      Daly City, CA107,1974020.0%
      Alameda, CA79,8274020.0%
      San Mateo, CA103,6194314.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Rialto, CA103,5498978.0%
      Burbank, CA103,4117244.0%
      El Cajon, CA103,2496428.0%
      Allen, TX104,040512.0%
      Las Cruces, NM102,950512.0%
      San Mateo, CA103,6194314.0%
      Source: The San Mateo Park, San Mateo, 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.