TODAY MAY25
TEMPERATURE60
HUMIDITY94
PRESSURE
WIND COND.33
  • 6862Tue
  • 7062Wed
  • 6962Thu
  • 6862Fri
  • 6861Sat
daynightWeather update from EW3174 Oceanside at
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Oceanside 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
January41°F66°F53°F11.8"
February46°F68°F56°F7.0"
March49°F69°F58°F1.6"
April50°F69°F59°F2.3"
May56°F72°F64°F0.3"
June57°F72°F64°F0.2"
July62°F76°F68°F0.1"
August63°F78°F70°F7.0"
September55°F76°F65°F0.5"
October51°F75°F62°F1.3"
November47°F72°F58°F3.1"
December40°F65°F52°F3.3"

Did you know?

  • The highest monthly average temperature in Oceanside for August is 70 degrees.
  • The lowest monthly average temperature in Oceanside for December is 52 degrees.
  • The most monthly precipitation in Oceanside occurs in January with 11.8 inches.
  • The air quality index in Oceanside is 23% worse than the national average.
  • The pollution index in Oceanside is 804% worse than the national average.

Compare Oceanside, CA Weather To Other Cities

      vs

      Oceanside 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.
      IndexOceansideCaliforniaNational
      Air quality index615550
      Pollution index45,820,50018,106,7265,066,862

      Oceanside air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality69
      Days with moderate air quality277
      Days w/ poor A.Q. for sensitive groups17
      Days with unhealthy air quality1

      Oceanside air quality information

      PollutantTotal
      Arsenic1.130%
      Benzene0.410%
      Carbon Tetrachloride0.030%
      Lead0.600%
      Mercury0.080%

      Average monthly Oceanside temperature with heat index

      Oceanside monthly precipitation with daily maximum

      Oceanside monthly snow depth with daily maximum

      Oceanside monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Camp Pendleton South, CA12,4916122%
      Fallbrook, CA31,7716122%
      San Marcos, CA91,4796122%
      Carlsbad, CA112,0086122%
      Lake San Marcos, CA4,5296122%
      Oceanside, CA173,8296122%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Rancho Cucamonga, CA173,3098570%
      Santa Rosa, CA173,1653530%
      Garden Grove, CA174,6767448%
      Tempe, AZ174,7087448%
      Fort Lauderdale, FL175,1534118%
      Oceanside, CA173,8296122%
      Source: The Oceanside, 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.