- Latitude: 42.35
- Longitude: -87.82
High Temperatures
On May 15 in this location the average high temperature is 68.5 °F (20.3 °C). The lowest recored high temperature was 43.0 °F (6.1 °C) in 1945 and the highest recored high temperature was 95.0 °F (35.0 °C) in 2025. The high temperature is usually* between 61.4 °F (16.3 °C) and 75.6 °F (24.2 °C). About a quarter of the time, the high temperature is less than 61.4 °F (16.3 °C), and another quarter of the time, the high temperature is greater than and 75.6 °F (24.2 °C). About 95% of the time, the high temperature has been between 47.9 °F (8.8 °C) and 89.1 °F (31.7 °C).
Low Temperatures
On May 15 in this location the average low temperature is 48.7 °F (9.3 °C). The lowest recored low temperature was 30.0 °F (-1.1 °C) in 2016 and the lowest recored low temperature was 72.0 °F (22.2 °C) in 1962. The low temperature is usually* between 43.8 °F (6.5 °C) and 53.6 °F (12.0 °C). About a quarter of the time, the low temperature is less than 43.8 °F (6.5 °C), and another quarter of the time, the low temperature is greater than and 53.6 °F (12.0 °C). About 95% of the time, the low temperature has been between 34.4 °F (1.3 °C) and 62.9 °F (17.2 °C).
Frost
On May 15 in this location expect the temperatures to drop below freezing for a risk of frost about 1.1% 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:
- WAUKEGAN REGIONAL AIRPORT — Integrated Surface Dataset (ISD) station ID: 725347 — Weather Bureau Army Navy (WBAN): 14880 — 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
- PALWAUKEE MUNICIPAL ARPT — Integrated Surface Dataset (ISD) station ID: 744665 — Weather Bureau Army Navy (WBAN): 04838 — 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
- CHICAGO/WAUKEGAN — Integrated Surface Dataset (ISD) station ID: 725347 — from year 1990 to 2005
- PALWAUKEE MUNI — Integrated Surface Dataset (ISD) station ID: 744665 — from year 1996 to 2005
- KENOSHA RGNL — Integrated Surface Dataset (ISD) station ID: 726505 — from year 1997 to 2005
- ANN ARBOR MUNICIPAL — Integrated Surface Dataset (ISD) station ID: 725374 — from year 1999 to 2005
- KENOSHA COAST GUARD STATION — Integrated Surface Dataset (ISD) station ID: 726406 — from year 1977 to 1996
- NAVAL AIR STATION — Integrated Surface Dataset (ISD) station ID: 725306 — Weather Bureau Army Navy (WBAN): 14855 — from year 1973 to 1994
- WILMETTE (MARINES)& — Integrated Surface Dataset (ISD) station ID: 725307 — from year 1976 to 1994
- WILMETTE (CGS) — Integrated Surface Dataset (ISD) station ID: 722417 — from year 1988 to 1990
- NAVAL AIR STATION — Weather Bureau Army Navy (WBAN): 14855 — from year 1945 to 1972