TODAY APR23
TEMPERATURE42
HUMIDITY89
PRESSURE101390
WIND COND.130 7.6
  • 6444Tue
  • 5745Wed50%50%
  • 5347Thu100%100%
  • 5445Fri
  • 5544Sat
daynightWeather update from Astoria, Astoria Regional Airport at
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Weather Quick Facts

  • The highest monthly average temperature in South Bend for August is 60.5 degrees
  • The lowest monthly average temperature in South Bend for December is 41.5 degrees
  • The most monthly precipitation in South Bend occurs in November with 12.6 inches
  • The air quality index in South Bend is 52% better than the national average
  • The pollution index in South Bend is 5% worse than the national average

Compare South Bend, WA Weather

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      South Bend 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
      January37°F49°F42°F10.5"
      February38°F51°F44°F6.3"
      March40°F53°F46°F9.8"
      April42°F57°F49°F5.4"
      May47°F62°F53°F3.4"
      June51°F65°F57°F1.8"
      July53°F69°F60°F0.9"
      August54°F70°F60°F1.0"
      September51°F69°F59°F2.7"
      October46°F61°F53°F7.6"
      November41°F53°F46°F12.6"
      December36°F47°F41°F10.1"

      South Bend 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.
      IndexSouth BendWashingtonNational
      Air quality index203642
      Pollution index2,873,3904,541,8502,726,193

      South Bend air quality information

      MeasurementTotal
      Days measured352
      Days with good air quality348
      Days with moderate air quality4
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      South Bend air quality information

      PollutantTotal
      Arsenic0.010%
      Benzene0.050%
      Carbon Tetrachloride0.010%
      Lead0.010%
      Mercury0.010%

      Average monthly South Bend temperature with heat index

      South Bend monthly precipitation with daily maximum

      South Bend monthly snow depth with daily maximum

      South Bend monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Raymond, WA2,9702060.0%
      Lebam, WA692060.0%
      Tokeland, WA1842060.0%
      Willapa, WA1222060.0%
      Bay Center, WA1522060.0%
      South Bend, WA1,6202060.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Crossville, AL1,6204314.0%
      Marvell, AR1,6204314.0%
      Shoshone, ID1,6202060.0%
      Saint-Zacharie, QC1,620n/a 
      Port Barre, LA1,6194118.0%
      South Bend, WA1,6202060.0%
      Source: The South Bend, WA 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.