- Latitude: 43.109
- Longitude: -88.031
High Temperatures
On May 9 in this location the average high temperature is 63.3 °F (17.4 °C). The lowest recored high temperature was 39.0 °F (3.9 °C) in 1966 and the highest recored high temperature was 86.0 °F (30.0 °C) in 1979. The high temperature is usually* between 55.8 °F (13.2 °C) and 70.9 °F (21.6 °C). About a quarter of the time, the high temperature is less than 55.8 °F (13.2 °C), and another quarter of the time, the high temperature is greater than and 70.9 °F (21.6 °C). About 95% of the time, the high temperature has been between 41.3 °F (5.2 °C) and 85.4 °F (29.7 °C).
Low Temperatures
On May 9 in this location the average low temperature is 44.0 °F (6.7 °C). The lowest recored low temperature was 26.6 °F (-3.0 °C) in 2020 and the lowest recored low temperature was 64.0 °F (17.8 °C) in 1970. The low temperature is usually* between 38.8 °F (3.8 °C) and 49.2 °F (9.6 °C). About a quarter of the time, the low temperature is less than 38.8 °F (3.8 °C), and another quarter of the time, the low temperature is greater than and 49.2 °F (9.6 °C). About 95% of the time, the low temperature has been between 29.0 °F (-1.7 °C) and 59.1 °F (15.1 °C).
Frost
On May 9 in this location expect the temperatures to drop below freezing for a risk of frost about 5.9% of the time.
Data Source(s)
The data used to compute the average high/low temperatures for this location were taken from the following stations:
- GENERAL MITCHELL INTERNATIONA — Integrated Surface Dataset (ISD) station ID: 726400 — Weather Bureau Army Navy (WBAN): 14839 — from year 1948 to 2025
- LAWRENCE J TIMMERMAN AIRPORT — Integrated Surface Dataset (ISD) station ID: 726405 — Weather Bureau Army Navy (WBAN): 94869 — from year 1973 to 2025
- WAUKESHA COUNTY AIRPORT — Integrated Surface Dataset (ISD) station ID: 726409 — Weather Bureau Army Navy (WBAN): 04897 — from year 2006 to 2025
- MILWAUKEE — Integrated Surface Dataset (ISD) station ID: 997342 — from year 2006 to 2025
- WAUKESHA CO — Integrated Surface Dataset (ISD) station ID: 726409 — from year 1998 to 2005
- LAWRENCE J TIMMERMAN — Integrated Surface Dataset (ISD) station ID: 726405 — from year 2000 to 2004
- MILWAUKEE COAST GUARD LIGHT S — Integrated Surface Dataset (ISD) station ID: 726407 — from year 1977 to 1995
- MILWAUKEE NB SIDE PO — Weather Bureau Army Navy (WBAN): 14839 — from year 1965 to 1972
- MILWAUKEE TIMMERMAN — Weather Bureau Army Navy (WBAN): 94869 — from year 1968 to 1972