TODAY AUG14
TEMPERATURE86
HUMIDITY40
PRESSURE29.97
WIND COND.180 4.7
  • 8068Wed40%60%
  • 7767Thu50%40%
  • 7766Fri20%
  • 7965Sat
  • 8266Sun
daynightWeather update from Gary Regional Airport at

Portage 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
January22°F35°F29°F3.1"
February22°F36°F29°F1.8"
March34°F49°F41°F8.5"
April43°F62°F52°F4.3"
May53°F72°F62°F7.9"
June62°F80°F71°F3.6"
July67°F83°F76°F9.5"
August65°F82°F74°F6.3"
September58°F76°F67°F7.6"
October47°F65°F56°F8.0"
November37°F52°F44°F5.7"
December27°F39°F33°F2.7"

Did you know?

  • The highest monthly average temperature in Portage for July is 76 degrees.
  • The lowest monthly average temperature in Portage for January is 29 degrees.
  • The most monthly precipitation in Portage occurs in July with 9.5 inches.
  • The air quality index in Portage is 37% better than the national average.
  • The pollution index in Portage is 1483% worse than the national average.

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Compare Portage, IN Weather To Other Cities

Portage 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.
IndexPortageIndianaNational
Air quality index315650
Pollution index80,238,7043,773,6185,066,862

Portage air quality information

MeasurementTotal
Days measured365
Days with good air quality310
Days with moderate air quality53
Days w/ poor A.Q. for sensitive groups2
Days with unhealthy air quality

Portage air quality information

PollutantTotal
Arsenic0.760%
Benzene0.560%
Carbon Tetrachloride0.280%
Lead0.480%
Mercury0.480%

Average monthly Portage temperature with heat index

Portage monthly precipitation with daily maximum

Portage monthly snow depth with daily maximum

Portage monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Chesterton, IN13,9123138%
Hobart, IN28,6933138%
New Chicago, IN1,8053138%
Salt Creek Commons, IN2,4873138%
Town of Pines, IN7143138%
Portage, IN37,0543138%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Elmont, NY37,057536%
Braintree Town, MA37,066476%
Greenfield, WI37,0704510%
Monrovia, CA37,0907448%
Los Banos, CA37,012548%
Portage, IN37,0543138%
Source: The Portage, IN 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.