TODAY NOV19
TEMPERATURE
HUMIDITY
PRESSURE30.23
WIND COND.
  • 3420Mon
  • 3126Tue
  • 4026Wed
  • 4134
  • 4537Fri30%20%
daynightWeather update from Davenport, Davenport Municipal Airport at

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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"

Did you know?

  • 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 10% worse than the national average.
  • The pollution index in Port Byron is 65% better than the national average.

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Compare Port Byron, IL Weather To Other Cities

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 index554150
Pollution index1,753,5903,347,2955,066,862

Port Byron air quality information

MeasurementTotal
Days measured365
Days with good air quality137
Days with moderate air quality225
Days w/ poor A.Q. for sensitive groups3
Days with unhealthy air quality

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.
Cordova, IL645536%
Low Moor, IA249536%
Princeton, IA1,100536%
DeWitt, IA5,264536%
McCausland, IA326536%
Port Byron, IL1,6705510%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Flomaton, AL1,6704020%
Blawnox, PA1,6705612%
Bartonsville, MD1,6704118%
Milam, TX1,6714314%
Atlantic Beach, NC1,6713138%
Port Byron, IL1,6705510%
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.