Portage July Weather

Averages and records for weather in Portage, Indiana in the month of July.
Typical Portage July Weather
1991–2020
Average daily high 81.4 °F
Average daily low 64.1 °F
Average monthly precipitation 4.1 inches
Average monthly snow none
Daily chance of precipitation 31.6%
Daily chance of snow 0%
Portage July Weather Records
1893–2024
Highest temperature 105 °F July 24, 1934
Lowest temperature 39 °F July 6, 1972
Highest daily low 82 °F July 10, 1988
Lowest daily high 63 °F July 8, 2015
Hottest average high temperature 92.7 °F 1901
Coldest average high temperature 75.7 °F 1992
Most daily precipitation 4.2 inches July 18, 1996
Most monthly precipitation 8.5 inches 1903
Most daily snow none -
Most monthly snow none -
Note: Daily averages are a moving average which includes 14 days before and after
Day Average (°F) Record (°F)
High Low High Low
July 1 80.6 62.8 101 44
July 2 80.7 62.9 99 47
July 3 80.9 63.1 98 43
July 4 81.0 63.3 99 42
July 5 81.2 63.4 100 48
July 6 81.2 63.5 100 39
July 7 81.3 63.7 101 45
July 8 81.4 63.8 102 48
July 9 81.5 63.9 98 46
July 10 81.5 64.0 103 49
July 11 81.5 64.0 102 41
July 12 81.5 64.0 99 48
July 13 81.5 64.1 99 45
July 14 81.5 64.1 102 47
July 15 81.6 64.2 103 44
July 16 81.6 64.2 103 48
July 17 81.6 64.3 99 48
July 18 81.6 64.4 98 48
July 19 81.8 64.4 101 47
July 20 81.8 64.4 104 45
July 21 81.8 64.4 104 48
July 22 81.6 64.3 103 42
July 23 81.5 64.3 105 42
July 24 81.5 64.2 105 47
July 25 81.5 64.3 102 50
July 26 81.5 64.3 99 48
July 27 81.6 64.4 102 46
July 28 81.5 64.4 100 50
July 29 81.4 64.3 102 47
July 30 81.2 64.3 99 49
July 31 81.1 64.2 102 40
Weather Station Details
Years Station Coordinates
1989–2024 Indiana Dunes National Lakeshore location
1952–1989 Ogden Dunes location
1893–1951 Valparaiso Water Works location