TODAY DEC23
TEMPERATURE46
HUMIDITY93
PRESSURE102130
WIND COND.100 5.4
  • 5134Mon40%100%
  • 4426Tue100%30%
  • 443530%100%
  • 4335Thu
  • 4637Fri
daynightWeather update from Rogue Valley International Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Prospect for July is 76 degrees
  • The lowest monthly average temperature in Prospect for December is 38 degrees
  • The most monthly precipitation in Prospect occurs in December with 3.7 inches
  • The air quality index in Prospect is 14% better than the national average
  • The pollution index in Prospect is 408% worse than the national average

Compare Prospect, OR Weather

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      Prospect 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
      January31°F49°F39°F2.6"
      February34°F57°F43°F2.0"
      March37°F61°F48°F2.2"
      April40°F67°F52°F1.4"
      May47°F77°F60°F1.2"
      June52°F84°F67°F0.8"
      July59°F94°F76°F0.3"
      August58°F94°F75°F0.3"
      September51°F87°F67°F0.6"
      October43°F72°F55°F1.5"
      November37°F56°F45°F2.8"
      December32°F47°F38°F3.7"

      Prospect 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.
      IndexProspectOregonNational
      Air quality index363242
      Pollution index13,842,6007,156,3562,726,193

      Prospect air quality

      MeasurementTotal
      Days measured365
      Days with good air quality295
      Days with moderate air quality63
      Days w/ poor A.Q. for sensitive groups3
      Days with unhealthy air quality4

      Air quality details

      PollutantTotal
      Arsenic0.020%
      Benzene0.210%
      Carbon Tetrachloride0.030%
      Lead0.030%
      Mercury0.020%

      Average monthly Prospect temperature with heat index

      Prospect monthly precipitation with daily maximum

      Prospect monthly snow depth with daily maximum

      Prospect monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Butte Falls, OR4373628.0%
      Prospect, OR4833628.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Dennard, AR4833628.0%
      Sopchoppy, FL4834020.0%
      Sharpsburg, GA483524.0%
      New Market, IA4834314.0%
      Peterson, IA4833530.0%
      Prospect, OR4833628.0%
      Source: The Prospect, 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.