TODAY NOV21
TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.
  • 5440Fri100%90%
  • 4938Sat90%80%
  • 4938Sun70%
  • 4938Mon
  • 4936Tue
daynightWeather update from Corvallis, Corvallis Municipal Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Philomath for July is 68.2 degrees
  • The lowest monthly average temperature in Philomath for December is 40.1 degrees
  • The most monthly precipitation in Philomath occurs in January with 7.8 inches
  • The air quality index in Philomath is 60% better than the national average
  • The pollution index in Philomath is 17% worse than the national average

Compare Philomath, OR Weather

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      Philomath 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
      January36°F48°F41°F7.8"
      February37°F53°F44°F4.4"
      March40°F58°F47°F5.7"
      April41°F64°F51°F3.3"
      May46°F73°F57°F3.5"
      June51°F78°F62°F1.9"
      July54°F86°F68°F3.3"
      August54°F86°F68°F2.1"
      September49°F80°F63°F3.4"
      October44°F67°F54°F5.6"
      November40°F55°F46°F5.4"
      December35°F47°F40°F7.2"

      Philomath 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.
      IndexPhilomathOregonNational
      Air quality index173242
      Pollution index3,182,1807,156,3562,726,193

      Philomath air quality

      MeasurementTotal
      Days measured365
      Days with good air quality332
      Days with moderate air quality33
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.010%
      Benzene0.040%
      Carbon Tetrachloride0.030%
      Lead0.190%
      Mercury0.110%

      Average monthly Philomath temperature with heat index

      Philomath monthly precipitation with daily maximum

      Philomath monthly snow depth with daily maximum

      Philomath monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Halsey, OR1,1391766.0%
      Alpine, OR2151766.0%
      Peoria, OR2161766.0%
      Blodgett, OR01766.0%
      Summit, OR2671766.0%
      Philomath, OR5,1431766.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Myrtletown, CA5,1432746.0%
      Granite Shoals, TX5,1424412.0%
      Birdsboro, PA5,1414216.0%
      Gilmer, TX5,1393726.0%
      Colchester, CT5,1473334.0%
      Philomath, OR5,1431766.0%
      Source: The Philomath, 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.