New Lenox climate

New Lenox Weather in October

NOAA 1991-2020 normals for Joliet Brandon Rd Dam, 11.5 km from New Lenox

Average highs run from 70°F on October 1 to 56°F on October 31, and lows from 49°F to 38°F. Normal precipitation for the month is 3.14 in over about 10 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 New Lenox, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

October at a glance

Average high
63°F
Average low
43°F
Precipitation
3.14 in
Record high
89°FOct 4, 2005
Record low
24°FOct 21, 2018
Chance of a freeze
75%
Daylight
11 h 44 min to 10 h 25 min
Cloud cover
60%
Humidity
74%
Dew point
43°F
Wind
10.5 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 170°F49°F88°F 201932°F 200329%0%
Oct 270°F49°F85°F 200528°F 200329%0%
Oct 370°F48°F88°F 201835°F 200429%0%
Oct 469°F48°F89°F 200535°F 200329%0%
Oct 569°F47°F87°F 199731°F 200429%0%
Oct 668°F47°F89°F 200729°F 201230%0%
Oct 768°F47°F89°F 200728°F 200130%0%
Oct 867°F46°F88°F 200729°F 200030%0%
Oct 967°F46°F88°F 201027°F 200030%0%
Oct 1066°F46°F85°F 201028°F 200030%0%
Oct 1166°F45°F83°F 202427°F 200930%0%
Oct 1265°F45°F85°F 200830°F 200630%0%
Oct 1365°F44°F79°F 200030°F 200631%0%
Oct 1464°F44°F78°F 202030°F 200231%0%
Oct 1564°F44°F80°F 199930°F 200631%0%
Oct 1663°F43°F81°F 199830°F 201831%0%
Oct 1763°F43°F83°F 201628°F 200431%0%
Oct 1862°F43°F79°F 200729°F 201531%0%
Oct 1962°F42°F77°F 200029°F 202231%0%
Oct 2061°F42°F85°F 200327°F 202231%
Oct 2161°F42°F81°F 202424°F 201831%
Oct 2260°F41°F79°F 202026°F 201331%
Oct 2360°F41°F78°F 202228°F 201331%
Oct 2459°F41°F80°F 202326°F 199932%
Oct 2559°F40°F76°F 200424°F 201332%
Oct 2658°F40°F77°F 200032°F 199732%
Oct 2758°F40°F77°F 201426°F 199732%
Oct 2858°F39°F81°F 199925°F 199732%
Oct 2957°F39°F81°F 202428°F 200832%
Oct 3057°F39°F81°F 202425°F 202332%
Oct 3156°F38°F72°F 200024°F 201932%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at New Lenox, 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 6:49 AM, sunset 6:33 PM
October 31
sunrise 7:23 AM, sunset 5:48 PM

Every day of October: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00114530 (Joliet Brandon Rd Dam), public domain. Records: NOAA GHCN-Daily, station USC00117457, 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.