Wilmette climate

Wilmette Weather in July

NOAA 1991-2020 normals for Chicago Botanic Garden, 9.1 km from Wilmette

Average highs run from 83°F on July 1 to 83°F on July 31, and lows from 62°F to 64°F. Normal precipitation for the month is 3.74 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 Wilmette, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

July at a glance

Average high
84°F
Average low
63°F
Precipitation
3.74 in
Record high
104°FJul 6, 2012
Record low
50°FJul 2, 2001
Chance of a freeze
0%
Days of 90°F or more
5.9
Daylight
15 h 12 min to 14 h 28 min
Cloud cover
68%
Humidity
79%
Dew point
64°F
Wind
9.4 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 183°F62°F95°F 200252°F 201534%0%
Jul 283°F62°F98°F 201250°F 200134%0%
Jul 383°F62°F97°F 201254°F 199634%0%
Jul 483°F63°F103°F 201251°F 199634%0%
Jul 583°F63°F103°F 201251°F 199734%0%
Jul 683°F63°F104°F 201254°F 200133%0%
Jul 783°F63°F95°F 202053°F 199733%0%
Jul 883°F63°F96°F 200252°F 201533%0%
Jul 984°F63°F94°F 200753°F 199733%0%
Jul 1084°F63°F96°F 201950°F 199633%0%
Jul 1184°F64°F91°F 201650°F 199633%0%
Jul 1284°F64°F91°F 201655°F 200933%0%
Jul 1384°F64°F95°F 199756°F 199932%0%
Jul 1484°F64°F97°F 202655°F 200932%0%
Jul 1584°F64°F96°F 200656°F 201432%0%
Jul 1684°F64°F97°F 201256°F 201432%0%
Jul 1784°F64°F99°F 201253°F 201432%0%
Jul 1884°F64°F96°F 201354°F 200332%0%
Jul 1984°F64°F97°F 201354°F 200332%0%
Jul 2084°F64°F100°F 201153°F 200932%0%
Jul 2184°F64°F100°F 201156°F 199632%0%
Jul 2284°F64°F93°F 200154°F 199632%0%
Jul 2384°F64°F97°F 201253°F 200031%0%
Jul 2484°F64°F102°F 200550°F 200031%0%
Jul 2584°F64°F98°F 201256°F 200031%0%
Jul 2684°F64°F97°F 199758°F 199631%0%
Jul 2784°F64°F90°F 199757°F 201331%0%
Jul 2884°F64°F94°F 202556°F 200531%0%
Jul 2984°F64°F98°F 199953°F 200331%0%
Jul 3083°F64°F102°F 199957°F 199731%0%
Jul 3183°F64°F98°F 200256°F 199731%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Wilmette, 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 5:19 AM, sunset 8:31 PM
July 31
sunrise 5:43 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 USC00111497 (Chicago Botanic Garden), public domain. Records: NOAA GHCN-Daily, station USW00004838, 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.