Skip to main content

Port Washington city, Wisconsin

Official LSAD Designation: Port Washington city • Census GEOID: 5564450 • Ozaukee County

Climate Normals & Weather Observations

30-year climate normals (1991–2020) and weather observations for Port Washington city.

Reference Weather Station: PORT WASHINGTON, WI US (ID: USC00476764) • Located 0.8 miles from community center • Elevation: 181.1 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 30.8° 14.6° 22.7° 1.76"
February 33.5° 15.7° 24.6° 1.48"
March 41.9° 25.4° 33.7° 1.91"
April 51.0° 35.4° 43.2° 3.78"
May 61.3° 44.8° 53.0° 3.90"
June 71.5° 54.8° 63.2° 4.17"
July 78.7° 61.5° 70.1° 3.61"
August 78.4° 61.6° 70.0° 3.68"
September 71.3° 53.7° 62.5° 3.08"
October 59.2° 41.6° 50.4° 2.56"
November 46.4° 30.6° 38.5° 2.13"
December 35.8° 20.5° 28.2° 1.82"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station PORT WASHINGTON, WI US (ID: USC00476764) • 0.8 miles from community center .

This is the same reference station used for monthly normals.

Annual mean Annual mean of daily highs Annual mean of daily lows
Annual temperature history at PORT WASHINGTON, WI US Year is the horizontal axis. Annual mean temperature in degrees Fahrenheit is the vertical axis. Dots show recorded years; lines connect consecutive available years only. Missing years are gaps, with no interpolation. Optional dashed lines show annual mean of daily highs and lows. Exact values appear in the data table below. 36.0 41.8 47.5 53.3 59.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2010: Annual mean 47.8°F 2011: Annual mean 46.4°F 2010: Annual mean of daily highs 56.0°F 2011: Annual mean of daily highs 54.5°F 2010: Annual mean of daily lows 39.6°F 2011: Annual mean of daily lows 38.3°F

Source: NOAA NCEI Global Summary of the Year.

Annual temperature data table (°F)
Annual station temperatures, 2010–2025. Unavailable means no reported value.
Year Annual mean (°F) Annual mean of daily highs (°F) Annual mean of daily lows (°F)
2010 47.8 56.0 39.6
2011 46.4 54.5 38.3
2012 Unavailable Unavailable Unavailable
2013 Unavailable Unavailable Unavailable
2014 Unavailable Unavailable Unavailable
2015 Unavailable Unavailable Unavailable
2016 Unavailable Unavailable Unavailable
2017 Unavailable Unavailable Unavailable
2018 Unavailable Unavailable Unavailable
2019 Unavailable Unavailable Unavailable
2020 Unavailable Unavailable Unavailable
2021 Unavailable Unavailable Unavailable
2022 Unavailable Unavailable Unavailable
2023 Unavailable Unavailable Unavailable
2024 Unavailable Unavailable Unavailable
2025 Unavailable Unavailable Unavailable
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.