TODAY MAR28
TEMPERATURE41
HUMIDITY48
PRESSURE102100
WIND COND.250 22.3
  • 5742Fri20%
  • 6037Sat70%20%
  • 5540Sun60%
  • 5644Mon70%90%
  • 5536Tue70%30%
daynightWeather update from Toledo - Toledo Express Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Delta for July is 73.4 degrees
  • The lowest monthly average temperature in Delta for January is 26 degrees
  • The most monthly precipitation in Delta occurs in July with 4.5 inches
  • The air quality index in Delta is 7% better than the national average
  • The pollution index in Delta is 14% better than the national average

Compare Delta, OH Weather

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      Delta 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
      January18°F35°F26°F3.0"
      February17°F36°F27°F2.5"
      March27°F49°F37°F2.9"
      April38°F64°F50°F3.7"
      May48°F75°F61°F3.6"
      June58°F84°F70°F4.2"
      July61°F86°F73°F4.5"
      August60°F84°F71°F3.8"
      September53°F78°F65°F3.4"
      October42°F66°F53°F2.6"
      November32°F52°F41°F3.0"
      December23°F39°F31°F2.9"

      Delta 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.
      IndexDeltaOhioNational
      Air quality index394042
      Pollution index2,339,7404,472,3862,726,193

      Delta air quality information

      MeasurementTotal
      Days measured358
      Days with good air quality286
      Days with moderate air quality72
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Delta air quality information

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

      Average monthly Delta temperature with heat index

      Delta monthly precipitation with daily maximum

      Delta monthly snow depth with daily maximum

      Delta monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Tedrow, OH2093922.0%
      Lyons, OH6583922.0%
      Wauseon, OH7,2293922.0%
      Jasper, MI3443922.0%
      Metamora, OH6383922.0%
      Delta, OH2,8383922.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Weimar, TX2,8383138.0%
      Forestville, QC2,838n/a 
      Lake Wilderness, VA2,8374020.0%
      Baiting Hollow, NY2,8394118.0%
      Buckeye Lake, OH2,839468.0%
      Delta, OH2,8383922.0%
      Source: The Delta, 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.