TODAY OCT14
TEMPERATURE62
HUMIDITY74
PRESSURE
WIND COND.186
  • 7654
  • 8258Tue
  • 8458Wed
  • 7957Thu
  • 7757Fri
daynightWeather update from KG6MIH Orange at
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Lacy 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
January48°F69°F57°F2.3"
February49°F69°F58°F1.9"
March52°F70°F60°F0.9"
April54°F72°F62°F0.6"
May59°F73°F65°F0.3"
June62°F76°F67°F0.0"
July66°F80°F71°F0.1"
August66°F82°F72°F0.0"
September65°F82°F72°F0.2"
October60°F79°F68°F0.5"
November54°F75°F63°F0.7"
December48°F68°F57°F2.4"

Did you know?

  • The highest monthly average temperature in Lacy for August is 72 degrees.
  • The lowest monthly average temperature in Lacy for December is 57 degrees.
  • The most monthly precipitation in Lacy occurs in December with 2.4 inches.
  • The air quality index in Lacy is 71% worse than the national average.
  • The pollution index in Lacy is 83% better than the national average.

Compare Santa Ana, CA Weather To Other Cities

Lacy 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.
IndexLacySanta AnaCalifornia
Air quality index858555
Pollution index858,652858,65218,106,726

Lacy air quality information

MeasurementTotal
Days measured365
Days with good air quality24
Days with moderate air quality211
Days w/ poor A.Q. for sensitive groups102
Days with unhealthy air quality25

Lacy air quality information

PollutantTotal
Arsenic0.002%
Benzene0.010%
Carbon Tetrachloride0.000%
Lead0.020%
Mercury0.001%

Average monthly Lacy temperature with heat index

Lacy monthly precipitation with daily maximum

Lacy monthly snow depth with daily maximum

Lacy monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Cerritos, CA49,7977448%
Fountain Valley, CA56,6707448%
Huntington Beach, CA198,7247448%
Seal Beach, CA24,5107448%
Artesia, CA16,7897448%
Santa Ana, CA333,6058570%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Anaheim, CA346,7768570%
Corpus Christi, TX320,0503922%
Riverside, CA318,6788570%
Honolulu, HI349,5973040%
Aurora, CO351,131548%
Santa Ana, CA333,6058570%
Source: The Lacy, Santa Ana, CA 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.
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