TODAY FEB25
TEMPERATURE
HUMIDITY78
PRESSURE30.24
WIND COND.300 16.6
  • 3621Thu
  • 4332Fri60%
  • 4730Sat
  • 4121Sun
  • 3619Mon
daynightWeather update from Davenport, Davenport Municipal Airport at

Key findings

  • The highest monthly average temperature in Port Byron for July is 76 degrees
  • The lowest monthly average temperature in Port Byron for January is 24 degrees
  • The most monthly precipitation in Port Byron occurs in July with 8.9 inches
  • The air quality index in Port Byron is 8% better than the national average
  • The pollution index in Port Byron is 65% better than the national average

Compare Port Byron, IL Weather

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      Port Byron 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
      January16°F33°F24°F2.2"
      February20°F34°F26°F3.0"
      March33°F52°F42°F3.7"
      April41°F63°F51°F6.9"
      May52°F75°F63°F8.3"
      June62°F82°F72°F7.5"
      July66°F86°F76°F8.9"
      August63°F84°F73°F7.8"
      September54°F77°F64°F4.7"
      October43°F66°F53°F5.8"
      November31°F50°F40°F6.8"
      December18°F34°F26°F3.5"

      Port Byron 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.
      IndexPort ByronIllinoisNational
      Air quality index464150
      Pollution index1,753,5903,347,2955,066,862

      Port Byron air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality217
      Days with moderate air quality145
      Days w/ poor A.Q. for sensitive groups3
      Days with unhealthy air quality0

      Port Byron air quality information

      PollutantTotal
      Arsenic0.010%
      Benzene0.070%
      Carbon Tetrachloride0.000%
      Lead0.010%
      Mercury0.001%

      Average monthly Port Byron temperature with heat index

      Port Byron monthly precipitation with daily maximum

      Port Byron monthly snow depth with daily maximum

      Port Byron monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Princeton, IA1,1004216%
      Camanche, IA4,3684216%
      Cordova, IL6454216%
      Low Moor, IA2494216%
      DeWitt, IA5,2644216%
      Port Byron, IL1,670468%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Blawnox, PA1,6705612%
      Bartonsville, MD1,6704020%
      Flomaton, AL1,6704118%
      Avon, MN1,6693236%
      Three Way, TN1,6712746%
      Port Byron, IL1,670468%
      Source: The Port Byron, IL 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.