TODAY OCT21
TEMPERATURE55
HUMIDITY51
PRESSURE30.08
WIND COND.
  • 7040Mon
  • 7040Tue
  • 6241Wed
  • 6142Thu20%
  • 6041Fri
daynightWeather update from La Grande/Union County Airport at
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La Grande 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
January26°F39°F32°F2.0"
February30°F46°F37°F2.1"
March33°F54°F42°F2.0"
April36°F61°F47°F2.2"
May42°F69°F55°F4.0"
June48°F77°F62°F3.8"
July53°F89°F71°F2.6"
August50°F88°F69°F2.2"
September43°F79°F60°F2.0"
October37°F64°F49°F2.4"
November32°F49°F40°F1.9"
December25°F38°F31°F2.2"

Did you know?

  • The highest monthly average temperature in La Grande for July is 71 degrees.
  • The lowest monthly average temperature in La Grande for December is 31 degrees.
  • The most monthly precipitation in La Grande occurs in May with 4 inches.
  • The air quality index in La Grande is 33% better than the national average.
  • The pollution index in La Grande is 78% better than the national average.

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La Grande 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.
IndexLa GrandeOregonNational
Air quality index333250
Pollution index1,082,3405,374,5275,066,862

La Grande air quality information

MeasurementTotal
Days measured365
Days with good air quality275
Days with moderate air quality85
Days w/ poor A.Q. for sensitive groups5
Days with unhealthy air quality

La Grande air quality information

PollutantTotal
Arsenic0.000%
Benzene0.020%
Carbon Tetrachloride0.001%
Lead0.002%
Mercury0.000%

Average monthly La Grande temperature with heat index

La Grande monthly precipitation with daily maximum

La Grande monthly snow depth with daily maximum

La Grande monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Imbler, OR3363334%
Island City, OR1,2253334%
Summerville, OR1113334%
Cove, OR7263334%
Union, OR2,1823334%
La Grande, OR13,0793334%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Beaufort, SC13,0743432%
Endicott, NY13,073285470%
Andrews, TX13,0873040%
Atlantic Beach, FL13,0893824%
Waunakee, WI13,0924216%
La Grande, OR13,0793334%
Source: The La Grande, OR 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.