TODAY NOV02
TEMPERATURE28
HUMIDITY100
PRESSURE103013.95
WIND COND.110 1.8
  • 6756Sun
  • 7462Mon20%20%
  • 7755Tue90%
  • 6645Wed70%
  • 6341Thu
daynightWeather update from Ottawa Putnam County Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Ottawa for July is 74.1 degrees
  • The lowest monthly average temperature in Ottawa for January is 27 degrees
  • The most monthly precipitation in Ottawa occurs in June with 4.6 inches
  • The air quality index in Ottawa is 7% better than the national average
  • The pollution index in Ottawa is 2% better than the national average

Compare Ottawa, OH Weather

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      Ottawa 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
      January19°F35°F27°F2.3"
      February20°F37°F28°F2.0"
      March30°F50°F39°F2.5"
      April40°F64°F51°F3.7"
      May51°F74°F62°F3.7"
      June61°F83°F71°F4.6"
      July63°F85°F74°F4.0"
      August61°F84°F72°F3.5"
      September55°F78°F66°F2.9"
      October44°F66°F54°F2.6"
      November33°F53°F43°F2.5"
      December25°F40°F32°F2.7"

      Ottawa 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.
      IndexOttawaOhioNational
      Air quality index394042
      Pollution index2,673,8504,472,3862,726,193

      Ottawa air quality

      MeasurementTotal
      Days measured364
      Days with good air quality303
      Days with moderate air quality61
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.002%
      Benzene0.030%
      Carbon Tetrachloride0.002%
      Lead0.010%
      Mercury0.010%

      Average monthly Ottawa temperature with heat index

      Ottawa monthly precipitation with daily maximum

      Ottawa monthly snow depth with daily maximum

      Ottawa monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Bluffton, OH4,0243922.0%
      Pandora, OH1,2503922.0%
      Kalida, OH1,6793922.0%
      Belmore, OH633922.0%
      Miller City, OH1423922.0%
      Ottawa, OH4,3493922.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      El Jebel, CO4,3494412.0%
      Euharlee, GA4,3484412.0%
      Lake of the Pines, CA4,3504412.0%
      Beach Haven West, NJ4,3503726.0%
      Nanaimo H, BC4,347n/a 
      Ottawa, OH4,3493922.0%
      Source: The Ottawa, 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.