Westchester climate

Westchester Weather in October

NOAA 1991-2020 normals for Chicago Midway AP 3SW, 15.3 km from Westchester

Average highs run from 70°F on October 1 to 57°F on October 31, and lows from 53°F to 41°F. Normal precipitation for the month is 3.86 in over about 11 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 Westchester, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

October at a glance

Average high
64°F
Average low
47°F
Precipitation
3.86 in
Snowfall
0.1 in
Record high
91°FOct 6, 1963
Record low
17°FOct 24, 1981
Chance of a freeze
48%
Daylight
11 h 44 min to 10 h 24 min
Cloud cover
65%
Humidity
76%
Dew point
43°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 170°F53°F90°F 197133°F 197431%0%
Oct 270°F52°F89°F 197127°F 197431%0%
Oct 370°F52°F89°F 202528°F 197432%0%
Oct 469°F52°F88°F 202532°F 198032%0%
Oct 569°F51°F88°F 199728°F 198032%0%
Oct 668°F51°F91°F 196325°F 196432%0%
Oct 768°F50°F87°F 200724°F 196432%0%
Oct 867°F50°F88°F 199727°F 198732%0%
Oct 967°F49°F86°F 201024°F 196432%0%
Oct 1066°F49°F87°F 196220°F 196433%0%
Oct 1166°F49°F88°F 196224°F 196433%0%
Oct 1266°F48°F84°F 200828°F 196733%1%
Oct 1365°F48°F87°F 197525°F 198833%1%
Oct 1465°F48°F86°F 196229°F 196333%1%
Oct 1564°F47°F87°F 196231°F 197234%1%
Oct 1664°F47°F85°F 196328°F 199134%1%
Oct 1763°F46°F82°F 196528°F 199234%1%
Oct 1863°F46°F80°F 196525°F 199234%1%
Oct 1962°F46°F83°F 197121°F 199234%1%
Oct 2062°F45°F85°F 200323°F 196434%1%
Oct 2162°F45°F84°F 197927°F 196034%1%
Oct 2261°F45°F84°F 196322°F 198235%1%
Oct 2361°F44°F85°F 196320°F 198135%1%
Oct 2460°F44°F83°F 202317°F 198135%1%
Oct 2560°F43°F77°F 196321°F 196235%1%
Oct 2659°F43°F83°F 196319°F 196235%2%
Oct 2759°F43°F77°F 201423°F 197635%2%
Oct 2858°F42°F80°F 199922°F 197635%2%
Oct 2958°F42°F82°F 202422°F 196535%2%
Oct 3057°F42°F80°F 197121°F 198835%2%
Oct 3157°F41°F79°F 196825°F 199335%2%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Westchester, 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 5:47 PM

Every day of October: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00111577 (Chicago Midway AP 3SW), public domain. Records: NOAA GHCN-Daily, station USW00094846, 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.