TODAY AUG17
TEMPERATURE55
HUMIDITY88
PRESSURE30.18
WIND COND.
  • 7449Fri
  • 8151Sat
  • 8352Sun
  • 8754Mon
  • 8452Tue
daynightWeather update from Chehalis-Centralia Airport at

Winlock Average Weather

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°F47°F40°F8.3"
February36°F52°F42°F5.4"
March40°F56°F46°F6.0"
April41°F62°F50°F4.8"
May47°F69°F56°F5.7"
June52°F73°F60°F3.6"
July55°F80°F65°F2.1"
August55°F81°F66°F2.8"
September51°F75°F61°F5.1"
October46°F63°F53°F6.4"
November40°F52°F45°F8.2"
December35°F45°F39°F8.9"

Did you know?

  • The highest monthly average temperature in Winlock for August is 66 degrees.
  • The lowest monthly average temperature in Winlock for December is 39 degrees.
  • The most monthly precipitation in Winlock occurs in December with 8.9 inches.
  • The air quality index in Winlock is 51% better than the national average.
  • The pollution index in Winlock is 16% better than the national average.

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Compare Winlock, WA Weather To Other Cities

Winlock 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.
IndexWinlockWashingtonNational
Air quality index243650
Pollution index4,215,4108,596,9895,066,862

Winlock air quality information

MeasurementTotal
Days measured315
Days with good air quality273
Days with moderate air quality42
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Winlock air quality information

PollutantTotal
Arsenic0.005%
Benzene0.050%
Carbon Tetrachloride0.004%
Lead0.030%
Mercury0.250%

Average monthly Winlock temperature with heat index

Winlock monthly precipitation with daily maximum

Winlock monthly snow depth with daily maximum

Winlock monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Vader, WA7122256%
Ryderwood, WA3122256%
Napavine, WA1,7592452%
Onalaska, WA7722452%
Chehalis, WA7,3402452%
Winlock, WA1,5232452%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Goodwater, AL1,5233824%
Bunker Hill, OR1,5231080%
Earlham, IA1,5234118%
Many Farms, AZ1,5221766%
Three Oaks, MI1,5223138%
Winlock, WA1,5232452%
Source: The Winlock, 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.