TODAY NOV23
TEMPERATURE73
HUMIDITY46
PRESSURE101900
WIND COND.100 20.5
  • 8064Sat
  • 8367Sun
  • 8667Mon
  • 8167Tue
  • 8567Wed
daynightWeather update from Harlingen, Rio Grande Valley International Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Port Mansfield for August is 85 degrees
  • The lowest monthly average temperature in Port Mansfield for January is 60.1 degrees
  • The most monthly precipitation in Port Mansfield occurs in September with 5.4 inches
  • The air quality index in Port Mansfield is 5% worse than the national average
  • The pollution index in Port Mansfield is 162% worse than the national average

Compare Port Mansfield, TX Weather

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      Port Mansfield 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
      January50°F73°F60°F1.3"
      February54°F77°F64°F0.8"
      March60°F82°F69°F1.3"
      April66°F88°F76°F1.4"
      May71°F91°F80°F2.9"
      June74°F95°F84°F1.7"
      July76°F96°F84°F3.1"
      August76°F97°F85°F2.2"
      September73°F93°F81°F5.4"
      October66°F89°F76°F2.1"
      November58°F81°F68°F2.1"
      December53°F74°F62°F1.6"

      Port Mansfield 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 MansfieldTexasNational
      Air quality index445242
      Pollution index7,136,5302,009,3002,726,193

      Port Mansfield air quality

      MeasurementTotal
      Days measured365
      Days with good air quality236
      Days with moderate air quality129
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.010%
      Benzene0.080%
      Carbon Tetrachloride0.010%
      Lead0.020%
      Mercury0.001%

      Average monthly Port Mansfield temperature with heat index

      Port Mansfield monthly precipitation with daily maximum

      Port Mansfield monthly snow depth with daily maximum

      Port Mansfield monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      San Perlita, TX7394412.0%
      Santa Monica, TX114412.0%
      Port Mansfield, TX1274412.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Goodnews Bay, AK1273138.0%
      Delaplaine, AR1272648.0%
      Divide, CO1274510.0%
      Seven Hills, CO127476.0%
      Springbrook, IA1274216.0%
      Port Mansfield, TX1274412.0%
      Source: The Port Mansfield, TX 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.