TODAY MAY08
TEMPERATURE60
HUMIDITY80
PRESSURE
WIND COND.96 8
  • 6357Sat
  • 6358Sun
  • 6457Mon
  • 6459Tue
  • 6659Wed
daynightWeather update from EW3174 Oceanside at

Key findings

  • The highest monthly average temperature in Oceanside for August is 69.6 degrees
  • The lowest monthly average temperature in Oceanside for December is 51.7 degrees
  • The most monthly precipitation in Oceanside occurs in January with 11.8 inches
  • The air quality index in Oceanside is 29% worse than the national average
  • The pollution index in Oceanside is 804% worse than the national average

Compare Oceanside, CA Weather

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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"

      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 index645550
      Pollution index45,820,50018,106,7265,066,862

      Oceanside air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality87
      Days with moderate air quality253
      Days w/ poor A.Q. for sensitive groups23
      Days with unhealthy air quality2

      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.
      Fallbrook, CA31,7716428%
      Fairbanks Ranch, CA2,8646428%
      Solana Beach, CA13,3126428%
      Bonsall, CA4,2946428%
      Lake San Marcos, CA4,5296428%
      Oceanside, CA173,8296428%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Rancho Cucamonga, CA173,3098978%
      Santa Rosa, CA173,1653432%
      Garden Grove, CA174,6767244%
      Tempe, AZ174,7087448%
      Fort Lauderdale, FL175,1534118%
      Oceanside, CA173,8296428%
      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.