- Latitude: 42.595
- Longitude: -87.938
High Temperatures
On May 9 in this location the average high temperature is 66.1 °F (18.9 °C). The lowest recored high temperature was 47.3 °F (8.5 °C) in 2025 and the highest recored high temperature was 93.9 °F (34.4 °C) in 1985. The high temperature is usually* between 59.1 °F (15.1 °C) and 73.0 °F (22.8 °C). About a quarter of the time, the high temperature is less than 59.1 °F (15.1 °C), and another quarter of the time, the high temperature is greater than and 73.0 °F (22.8 °C). About 95% of the time, the high temperature has been between 45.8 °F (7.7 °C) and 86.3 °F (30.2 °C).
Low Temperatures
On May 9 in this location the average low temperature is 47.3 °F (8.5 °C). The lowest recored low temperature was 24.8 °F (-4.0 °C) in 2020 and the lowest recored low temperature was 72.0 °F (22.2 °C) in 1994. The low temperature is usually* between 42.3 °F (5.7 °C) and 52.2 °F (11.2 °C). About a quarter of the time, the low temperature is less than 42.3 °F (5.7 °C), and another quarter of the time, the low temperature is greater than and 52.2 °F (11.2 °C). About 95% of the time, the low temperature has been between 32.9 °F (0.5 °C) and 61.7 °F (16.5 °C).
Frost
On May 9 in this location expect the temperatures to drop below freezing for a risk of frost about 1.9% 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:
- BURLINGTON MUNICIPAL ARPT — Integrated Surface Dataset (ISD) station ID: 722059 — Weather Bureau Army Navy (WBAN): 04866 — from year 2006 to 2025
- WAUKEGAN REGIONAL AIRPORT — Integrated Surface Dataset (ISD) station ID: 725347 — Weather Bureau Army Navy (WBAN): 14880 — from year 2006 to 2025
- JOHN H BATTEN AIRPORT — Integrated Surface Dataset (ISD) station ID: 726424 — Weather Bureau Army Navy (WBAN): 94818 — from year 2006 to 2025
- KENOSHA REGIONAL AIRPORT — Integrated Surface Dataset (ISD) station ID: 726505 — Weather Bureau Army Navy (WBAN): 04845 — from year 2006 to 2025
- WAUKEGAN HARBOR — Integrated Surface Dataset (ISD) station ID: 997735 — from year 2007 to 2025
- KENOSHA — Integrated Surface Dataset (ISD) station ID: 997340 — from year 2005 to 2024
- BURLINGTON MUNI — Integrated Surface Dataset (ISD) station ID: 722059 — from year 1983 to 2005
- CHICAGO/WAUKEGAN — Integrated Surface Dataset (ISD) station ID: 725347 — from year 1990 to 2005
- KENOSHA RGNL — Integrated Surface Dataset (ISD) station ID: 726505 — from year 1997 to 2005
- JOHN H BATTEN — Integrated Surface Dataset (ISD) station ID: 726424 — from year 1999 to 2005
- KENOSHA COAST GUARD STATION — Integrated Surface Dataset (ISD) station ID: 726406 — from year 1977 to 1994