March - MILWAUKEE - Weather History and Averages

High Temperatures

On average, the day in March with the warmest high temperature in MILWAUKEE is March 17 at an average of 46.0 °F (7.8 °C).

On average, the day in March with the coldest high temperature in MILWAUKEE is March 3 at an average of 35.4 °F (1.9 °C).

The warmest recorded high temperature in March in MILWAUKEE was 78.1 °F (25.6 °C) on March 28 in the year 2025 at MILWAUKEE — Integrated Surface Dataset (ISD) station ID: 997342 .

The coldest recorded high temperature in March in MILWAUKEE was 10.8 °F (-11.8 °C) on March 2 in the year 2014 at MILWAUKEE — Integrated Surface Dataset (ISD) station ID: 997342 .

On average, the day in March with the warmest low temperature in MILWAUKEE is March 31 at an average of 35.5 °F (2.0 °C).

On average, the day in March with the coldest low temperature in MILWAUKEE is March 1 at an average of 24.9 °F (-4.0 °C).

The warmest recorded low temperature in MILWAUKEE was 53.1 °F (11.7 °C) on March 7 in the year 2012 at MILWAUKEE — Integrated Surface Dataset (ISD) station ID: 997342 .

The coldest recorded low temperature in MILWAUKEE was -0.4 °F (-18.0 °C) on March 3 in the year 2014 at MILWAUKEE — Integrated Surface Dataset (ISD) station ID: 997342 .

If you would like to see the temperatures for specific days, you can click on the corresponding links below: