TODAY NOV21
TEMPERATURE45
HUMIDITY86
PRESSURE101290
WIND COND.
  • 5543Fri100%80%
  • 4940Sat90%80%
  • 5041Sun70%
  • 4839Mon
  • 4939Tue
daynightWeather update from Pearson Airfield at
New Real Estate Listings in Walnut Grove Area
Search Homes for Sale in Walnut Grove, WA

Weather Quick Facts

  • The highest monthly average temperature in Walnut Grove for August is 69.4 degrees
  • The lowest monthly average temperature in Walnut Grove for December is 40.1 degrees
  • The most monthly precipitation in Walnut Grove occurs in November with 6.2 inches
  • The air quality index in Walnut Grove is 10% better than the national average
  • The pollution index in Walnut Grove is 30% better than the national average

Compare Walnut Grove, WA Weather

      vs
      How would you rate the weather in Walnut Grove?
      Write a review to give others more information about this area.
      How would you rate the air quality in Walnut Grove?
      Write a review to give others more information about this area.
      See all Walnut Grove poll results

      Walnut Grove 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
      January34°F48°F40°F5.4"
      February36°F52°F43°F3.7"
      March39°F57°F47°F4.9"
      April42°F63°F52°F2.9"
      May48°F71°F58°F2.6"
      June53°F76°F63°F1.7"
      July57°F84°F69°F0.5"
      August57°F84°F69°F0.4"
      September52°F79°F64°F1.5"
      October46°F66°F55°F3.7"
      November40°F54°F47°F6.2"
      December34°F47°F40°F6.2"

      Walnut Grove 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.
      IndexWalnut GroveWashingtonNational
      Air quality index383642
      Pollution index1,899,4104,541,8502,726,193

      Walnut Grove air quality

      MeasurementTotal
      Days measured365
      Days with good air quality285
      Days with moderate air quality77
      Days w/ poor A.Q. for sensitive groups3
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.003%
      Benzene0.020%
      Carbon Tetrachloride0.010%
      Lead0.010%
      Mercury0.002%

      Average monthly Walnut Grove temperature with heat index

      Walnut Grove monthly precipitation with daily maximum

      Walnut Grove monthly snow depth with daily maximum

      Walnut Grove monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      St. Helens, OR13,7791864.0%
      Troutdale, OR16,4333824.0%
      Camas, WA24,0433824.0%
      Meadow Glade, WA2,7743824.0%
      Yacolt, WA1,6863824.0%
      Walnut Grove, WA9,3243824.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Northwest Harborcreek, PA9,3213628.0%
      Hondo, TX9,321492.0%
      Sellersburg, IN9,320492.0%
      Brentwood, PA9,3195612.0%
      Bohemia, NY9,3294314.0%
      Walnut Grove, WA9,3243824.0%
      Source: The Walnut Grove, 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.