Cedarburg climate

Cedarburg Weather in August

NOAA 1991-2020 normals for Grafton Wwtp, 2.9 km from Cedarburg

Average highs run from 82°F on August 1 to 77°F on August 31, and lows from 63°F to 58°F. Normal precipitation for the month is 3.77 in.

August day by day

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

Normal daily high and low temperature at Cedarburg, in °F, with the record for each date.406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
80°F
Average low
61°F
Precipitation
3.77 in
Record high
97°FAug 24, 2023
Record low
42°FAug 31, 2009
Chance of a freeze
0%
Days of 90°F or more
1.5
Daylight
14 h 32 min to 13 h 14 min
Cloud cover
62%
Humidity
74%
Dew point
60°F
Wind
8.7 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 182°F63°F90°F 202447°F 20190%
Aug 282°F63°F89°F 201148°F 20190%
Aug 382°F62°F89°F 201552°F 20130%
Aug 482°F62°F88°F 201249°F 20200%
Aug 582°F62°F91°F 201251°F 20090%
Aug 681°F62°F88°F 201852°F 20140%
Aug 781°F62°F90°F 202253°F 20200%
Aug 881°F62°F89°F 201253°F 20090%
Aug 981°F62°F92°F 202550°F 20240%
Aug 1081°F62°F91°F 202552°F 20240%
Aug 1181°F62°F92°F 202153°F 20120%
Aug 1281°F61°F88°F 201852°F 20220%
Aug 1381°F61°F86°F 201849°F 20130%
Aug 1480°F61°F88°F 201844°F 20130%
Aug 1580°F61°F90°F 201544°F 20130%
Aug 1680°F61°F90°F 201554°F 20210%
Aug 1780°F61°F86°F 201552°F 20120%
Aug 1880°F61°F86°F 201548°F 20120%
Aug 1980°F60°F86°F 201648°F 20120%
Aug 2079°F60°F85°F 201150°F 20120%
Aug 2179°F60°F90°F 202347°F 20240%
Aug 2279°F60°F88°F 201349°F 20240%
Aug 2379°F60°F85°F 202049°F 20090%
Aug 2479°F60°F97°F 202348°F 20260%
Aug 2578°F59°F90°F 201244°F 20170%
Aug 2678°F59°F91°F 201247°F 20170%
Aug 2778°F59°F93°F 202448°F 20170%
Aug 2878°F59°F94°F 201350°F 20230%
Aug 2977°F59°F90°F 202148°F 20250%
Aug 3077°F58°F89°F 201350°F 20200%
Aug 3177°F58°F92°F 201342°F 20090%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Cedarburg, in percent, and of at least 0.1 inch of snowfall.00.21102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

August 1
sunrise 5:42 AM, sunset 8:14 PM
August 31
sunrise 6:15 AM, sunset 7:29 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00473198 (Grafton Wwtp), public domain. Records: NOAA GHCN-Daily, station USC00479052, 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.