Northlake climate

Northlake Weather in August

NOAA 1991-2020 normals for Chicago Ohare Intl AP, 9.2 km from Northlake

Average highs run from 84°F on August 1 to 80°F on August 31, and lows from 67°F to 63°F. Normal precipitation for the month is 4.25 in over about 9 wet days.

August day by day

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

Normal daily high and low temperature at Northlake, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
83°F
Average low
65°F
Precipitation
4.25 in
Record high
101°FAug 2, 1991
Record low
41°FAug 15, 1964
Chance of a freeze
0%
Days of 90°F or more
3.7
Daylight
14 h 25 min to 13 h 11 min
Cloud cover
64%
Humidity
73%
Dew point
62°F
Wind
8.1 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
Aug 184°F67°F100°F 198851°F 199032%0%
Aug 284°F66°F101°F 199149°F 196532%0%
Aug 384°F66°F96°F 196448°F 196632%0%
Aug 484°F66°F97°F 198848°F 196632%0%
Aug 584°F66°F94°F 201850°F 197832%0%
Aug 684°F66°F96°F 196848°F 199431%0%
Aug 784°F66°F95°F 200150°F 199031%0%
Aug 883°F66°F99°F 198849°F 197631%0%
Aug 983°F66°F95°F 200145°F 196431%0%
Aug 1083°F66°F93°F 197149°F 198231%0%
Aug 1183°F66°F93°F 199545°F 196531%0%
Aug 1283°F66°F98°F 199544°F 196731%0%
Aug 1383°F66°F96°F 199542°F 196731%0%
Aug 1483°F66°F95°F 199542°F 196430%0%
Aug 1583°F66°F94°F 198841°F 196430%0%
Aug 1683°F65°F98°F 198345°F 197930%0%
Aug 1783°F65°F98°F 198846°F 196330%0%
Aug 1883°F65°F93°F 197242°F 196330%0%
Aug 1982°F65°F99°F 198349°F 196430%0%
Aug 2082°F65°F95°F 196849°F 199230%0%
Aug 2182°F65°F95°F 196848°F 196130%0%
Aug 2282°F65°F94°F 195949°F 196130%0%
Aug 2382°F64°F98°F 202347°F 196529%0%
Aug 2482°F64°F100°F 202345°F 196429%0%
Aug 2582°F64°F95°F 199147°F 196429%0%
Aug 2681°F64°F96°F 202441°F 196429%0%
Aug 2781°F64°F99°F 202447°F 198229%0%
Aug 2881°F63°F95°F 198042°F 196529%0%
Aug 2981°F63°F94°F 198341°F 196529%0%
Aug 3081°F63°F96°F 201348°F 198629%0%
Aug 3180°F63°F93°F 196047°F 196729%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Northlake, 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).

August 1
sunrise 5:45 AM, sunset 8:10 PM
August 31
sunrise 6:16 AM, sunset 7:27 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00094846 (Chicago Ohare Intl AP), 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.