Porter climate

Porter Weather in October

NOAA 1991-2020 normals for Indiana Dunes Nl, 2.1 km from Porter

Average highs run from 69°F on October 1 to 56°F on October 31, and lows from 50°F to 40°F. Normal precipitation for the month is 3.75 in over about 12 wet days.

October day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Porter, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

October at a glance

Average high
62°F
Average low
45°F
Precipitation
3.75 in
Record high
91°FOct 1, 2019
Record low
24°FOct 31, 2020
Chance of a freeze
66%
Daylight
11 h 45 min to 10 h 25 min
Cloud cover
62%
Humidity
75%
Dew point
44°F
Wind
11.0 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Oct 169°F50°F91°F 201932°F 200335%0%
Oct 268°F50°F86°F 202332°F 200335%0%
Oct 368°F49°F90°F 201832°F 200335%0%
Oct 467°F49°F87°F 202533°F 200435%0%
Oct 567°F49°F84°F 200530°F 200436%0%
Oct 667°F48°F88°F 200732°F 200336%0%
Oct 766°F48°F88°F 200730°F 200136%0%
Oct 866°F47°F89°F 201828°F 201236%0%
Oct 965°F47°F88°F 201831°F 200036%0%
Oct 1065°F47°F85°F 202134°F 200936%0%
Oct 1165°F46°F83°F 202432°F 200636%0%
Oct 1264°F46°F85°F 200829°F 200636%
Oct 1364°F46°F83°F 200831°F 200236%
Oct 1463°F45°F77°F 200028°F 200237%
Oct 1563°F45°F78°F 199929°F 200637%
Oct 1662°F45°F79°F 199832°F 201837%
Oct 1762°F44°F82°F 201630°F 200437%
Oct 1862°F44°F81°F 201629°F 201837%
Oct 1961°F44°F75°F 200032°F 201437%
Oct 2061°F43°F84°F 200328°F 202237%
Oct 2160°F43°F81°F 201528°F 200237%
Oct 2260°F43°F82°F 202225°F 201337%
Oct 2359°F42°F81°F 202230°F 201437%
Oct 2459°F42°F81°F 202330°F 200637%
Oct 2558°F42°F79°F 201225°F 200637%
Oct 2658°F41°F77°F 200031°F 201737%
Oct 2758°F41°F76°F 201428°F 201337%
Oct 2857°F41°F80°F 199927°F 201337%
Oct 2957°F40°F81°F 202429°F 200537%
Oct 3056°F40°F78°F 202425°F 202037%
Oct 3156°F40°F71°F 200824°F 202037%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Porter, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

October 1
sunrise 6:45 AM, sunset 6:30 PM
October 31
sunrise 7:19 AM, sunset 5:44 PM

Every day of October: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00124244 (Indiana Dunes Nl), public domain. Records: NOAA GHCN-Daily, station USW00004846, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.