Westchester climate

Westchester Weather in July

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

Average highs run from 85°F on July 1 to 85°F on July 31, and lows from 67°F to 68°F. Normal precipitation for the month is 4.02 in over about 10 wet days.

July 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.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

July at a glance

Average high
85°F
Average low
68°F
Precipitation
4.02 in
Record high
104°FJul 13, 1995
Record low
40°FJul 1, 1965
Chance of a freeze
0%
Days of 90°F or more
8.1
Daylight
15 h 10 min to 14 h 26 min
Cloud cover
68%
Humidity
73%
Dew point
63°F
Wind
8.3 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
Jul 185°F67°F97°F 199140°F 196534%0%
Jul 285°F67°F98°F 201249°F 198434%0%
Jul 385°F67°F96°F 201248°F 196334%0%
Jul 485°F68°F102°F 201246°F 196334%0%
Jul 585°F68°F103°F 201242°F 196533%0%
Jul 685°F68°F103°F 201242°F 196533%0%
Jul 785°F68°F102°F 198045°F 198333%0%
Jul 885°F68°F97°F 198848°F 198433%0%
Jul 986°F68°F97°F 197447°F 196333%0%
Jul 1086°F68°F101°F 198945°F 196333%0%
Jul 1186°F68°F95°F 198050°F 196833%0%
Jul 1286°F68°F97°F 199552°F 196433%0%
Jul 1386°F68°F104°F 199549°F 196433%0%
Jul 1486°F68°F100°F 198851°F 196733%0%
Jul 1586°F68°F102°F 198849°F 196733%0%
Jul 1686°F68°F99°F 198849°F 196733%0%
Jul 1786°F68°F99°F 201250°F 197933%0%
Jul 1885°F68°F96°F 199145°F 197933%0%
Jul 1985°F68°F99°F 199153°F 196233%0%
Jul 2085°F68°F101°F 198051°F 196633%0%
Jul 2185°F68°F99°F 201148°F 196633%0%
Jul 2285°F68°F101°F 199148°F 196633%0%
Jul 2385°F68°F97°F 201252°F 200033%0%
Jul 2485°F68°F102°F 200553°F 200032%0%
Jul 2585°F68°F99°F 201255°F 201432%0%
Jul 2685°F68°F97°F 199749°F 196232%0%
Jul 2785°F68°F93°F 198851°F 196232%0%
Jul 2885°F68°F100°F 198351°F 198432%0%
Jul 2985°F68°F97°F 198850°F 196532%0%
Jul 3085°F68°F101°F 199950°F 196532%0%
Jul 3185°F68°F99°F 200649°F 197132%0%

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).

July 1
sunrise 5:20 AM, sunset 8:30 PM
July 31
sunrise 5:45 AM, sunset 8:11 PM

Every day of July: 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.