TODAY AUG16
TEMPERATURE71
HUMIDITY81
PRESSURE30.05
WIND COND.180 10.3
  • 8167Fri40%40%
  • 8064Sat20%
  • 8266Sun
  • 8368Mon50%
  • 7860Tue60%60%
daynightWeather update from Lorain / Elyria, Lorain County Regional Airport at

Castalia 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
January23°F36°F29°F5.8"
February17°F32°F25°F2.4"
March28°F47°F36°F3.5"
April38°F58°F48°F6.9"
May47°F71°F59°F2.1"
June60°F83°F71°F4.1"
July61°F84°F72°F6.2"
August62°F83°F72°F13.1"
September55°F78°F66°F4.6"
October48°F66°F56°F4.3"
November33°F52°F43°F4.5"
December23°F36°F29°F3.6"

Did you know?

  • The highest monthly average temperature in Castalia for August is 72 degrees.
  • The lowest monthly average temperature in Castalia for February is 25 degrees.
  • The most monthly precipitation in Castalia occurs in August with 13.1 inches.
  • The air quality index in Castalia is 27% better than the national average.
  • The pollution index in Castalia is 52% better than the national average.

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Compare Castalia, OH Weather To Other Cities

Castalia 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.
IndexCastaliaOhioNational
Air quality index364050
Pollution index2,402,5806,740,0015,066,862

Castalia air quality information

MeasurementTotal
Days measured350
Days with good air quality292
Days with moderate air quality58
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Castalia air quality information

PollutantTotal
Arsenic0.001%
Benzene0.020%
Carbon Tetrachloride0.005%
Lead0.020%
Mercury0.003%

Average monthly Castalia temperature with heat index

Castalia monthly precipitation with daily maximum

Castalia monthly snow depth with daily maximum

Castalia monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Marblehead, OH881688%
Sandusky, OH25,338688%
Kelleys Island, OH158688%
Lakeside, OH643688%
Bellevue, OH8,0593628%
Castalia, OH8533628%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Anson, ME8532942%
Cambridge, IA8533726%
Blue Ridge Summit, PA8534314%
Lowden, IA8535510%
Matherville, IL8535510%
Castalia, OH8533628%
Source: The Castalia, OH 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.