TODAY NOV24
TEMPERATURE47
HUMIDITY
PRESSURE101050
WIND COND.170 14.8
  • 5346Sun90%90%
  • 5244Mon90%80%
  • 5240Tue80%20%
  • 5138Wed
  • 5037
daynightWeather update from Southwest Oregon Regional Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Winchester Bay for July is 59.2 degrees
  • The lowest monthly average temperature in Winchester Bay for December is 44.9 degrees
  • The most monthly precipitation in Winchester Bay occurs in December with 9.7 inches
  • The air quality index in Winchester Bay is 55% better than the national average
  • The pollution index in Winchester Bay is 21% worse than the national average

Compare Winchester Bay, OR Weather

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      Winchester Bay 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
      January40°F54°F46°F7.9"
      February41°F55°F47°F6.5"
      March42°F56°F48°F8.3"
      April43°F57°F49°F4.6"
      May48°F61°F53°F2.7"
      June51°F64°F57°F1.7"
      July53°F66°F59°F0.8"
      August53°F67°F59°F0.4"
      September51°F67°F58°F1.4"
      October48°F63°F54°F4.8"
      November44°F58°F49°F8.8"
      December39°F53°F45°F9.7"

      Winchester Bay 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.
      IndexWinchester BayOregonNational
      Air quality index193242
      Pollution index3,310,0607,156,3562,726,193

      Winchester Bay air quality

      MeasurementTotal
      Days measured107
      Days with good air quality106
      Days with moderate air quality1
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.010%
      Benzene0.050%
      Carbon Tetrachloride0.020%
      Lead0.020%
      Mercury0.005%

      Average monthly Winchester Bay temperature with heat index

      Winchester Bay monthly precipitation with daily maximum

      Winchester Bay monthly snow depth with daily maximum

      Winchester Bay monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Lakeside, OR1,6211962.0%
      Reedsport, OR4,0851962.0%
      Dunes City, OR1,2081962.0%
      Gardiner, OR4661962.0%
      Winchester Bay, OR3191962.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Horn Hill, AL3193530.0%
      Cash, AR3194510.0%
      Brooker, FL3193530.0%
      Bronwood, GA3193922.0%
      Taylorsville, GA3194412.0%
      Winchester Bay, OR3191962.0%
      Source: The Winchester Bay, OR 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.