TODAY NOV07
TEMPERATURE68
HUMIDITY
PRESSURE101860
WIND COND.30 7.6
  • 7360
  • 7663Fri20%50%
  • 7662Sat60%70%
  • 7754Sun50%30%
  • 7651
daynightWeather update from Monticello, Monticello Municipal Airport/Ellis Field at
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Weather Quick Facts

  • The highest monthly average temperature in Portland for July is 82.2 degrees
  • The lowest monthly average temperature in Portland for January is 44.9 degrees
  • The most monthly precipitation in Portland occurs in April with 9.5 inches
  • The air quality index in Portland is 2% worse than the national average
  • The pollution index in Portland is 81% better than the national average

Compare Portland, AR Weather

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      Portland 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
      January35°F57°F45°F8.2"
      February39°F60°F48°F6.0"
      March46°F69°F57°F8.6"
      April55°F78°F65°F9.5"
      May61°F83°F71°F7.5"
      June70°F91°F80°F7.6"
      July73°F93°F82°F6.7"
      August72°F93°F81°F7.3"
      September65°F89°F76°F3.5"
      October54°F79°F65°F7.4"
      November44°F66°F54°F6.8"
      December39°F58°F47°F7.8"

      Portland 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.
      IndexPortlandArkansasNational
      Air quality index433842
      Pollution index519,0381,487,8222,726,193

      Portland air quality

      MeasurementTotal
      Days measured364
      Days with good air quality270
      Days with moderate air quality94
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

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

      Average monthly Portland temperature with heat index

      Portland monthly precipitation with daily maximum

      Portland monthly snow depth with daily maximum

      Portland monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Parkdale, AR2693432.0%
      Wilmot, AR4993432.0%
      Eudora, AR2,2464314.0%
      Jerome, AR424314.0%
      Lake Village, AR2,2584314.0%
      Portland, AR3754314.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Wabbaseka, AR3754510.0%
      Steamboat, AZ3751766.0%
      Rollinsville, CO375476.0%
      Braswell, GA3754412.0%
      Lomax, IL3752942.0%
      Portland, AR3754314.0%
      Source: The Portland, AR 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.