Ozaukee County climate

Ozaukee County Weather in August

NOAA 1991-2020 normals for Port Washington, 2.4 km from Ozaukee County

Average highs run from 79°F on August 1 to 76°F on August 31, and lows from 62°F to 60°F. Normal precipitation for the month is 3.68 in over about 8 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 Ozaukee County, in °F, with the record for each date.406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
78°F
Average low
62°F
Precipitation
3.68 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 33 min to 13 h 13 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 179°F62°F90°F 202447°F 201928%0%
Aug 279°F62°F89°F 201148°F 201928%0%
Aug 379°F62°F89°F 201552°F 201328%0%
Aug 479°F62°F88°F 201249°F 202028%0%
Aug 579°F62°F91°F 201251°F 200928%0%
Aug 679°F62°F88°F 201852°F 201427%0%
Aug 779°F62°F90°F 202253°F 202027%0%
Aug 879°F62°F89°F 201253°F 200927%0%
Aug 979°F62°F92°F 202550°F 202427%0%
Aug 1079°F62°F91°F 202552°F 202427%0%
Aug 1179°F62°F92°F 202153°F 201227%0%
Aug 1279°F62°F88°F 201852°F 202226%0%
Aug 1379°F62°F86°F 201849°F 201326%0%
Aug 1479°F62°F88°F 201844°F 201326%0%
Aug 1579°F62°F90°F 201544°F 201326%0%
Aug 1679°F62°F90°F 201554°F 202126%0%
Aug 1779°F62°F86°F 201552°F 201226%0%
Aug 1879°F62°F86°F 201548°F 201225%0%
Aug 1978°F62°F86°F 201648°F 201225%0%
Aug 2078°F62°F85°F 201150°F 201225%0%
Aug 2178°F62°F90°F 202347°F 202425%0%
Aug 2278°F61°F88°F 201349°F 202425%0%
Aug 2378°F61°F85°F 202049°F 200925%0%
Aug 2478°F61°F97°F 202348°F 202625%0%
Aug 2578°F61°F90°F 201244°F 201725%0%
Aug 2677°F61°F91°F 201247°F 201724%0%
Aug 2777°F61°F93°F 202448°F 201724%0%
Aug 2877°F60°F94°F 201350°F 202324%0%
Aug 2977°F60°F90°F 202148°F 202524%0%
Aug 3077°F60°F89°F 201350°F 202024%0%
Aug 3176°F60°F92°F 201342°F 200924%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Ozaukee County, in percent, and of at least 0.1 inch of snowfall.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

August 1
sunrise 5:41 AM, sunset 8:14 PM
August 31
sunrise 6:15 AM, sunset 7:28 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00476764 (Port Washington), 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.