- Latitude: 42.223
- Longitude: -83.744
High Temperatures
On May 18 in this location the average high temperature is 71.7 °F (22.0 °C). The lowest recored high temperature was 48.0 °F (8.9 °C) in 1957 and the highest recored high temperature was 96.1 °F (35.6 °C) in 1962. The high temperature is usually* between 65.0 °F (18.3 °C) and 78.3 °F (25.7 °C). About a quarter of the time, the high temperature is less than 65.0 °F (18.3 °C), and another quarter of the time, the high temperature is greater than and 78.3 °F (25.7 °C). About 95% of the time, the high temperature has been between 52.3 °F (11.3 °C) and 91.1 °F (32.8 °C).
Low Temperatures
On May 18 in this location the average low temperature is 48.3 °F (9.1 °C). The lowest recored low temperature was 27.0 °F (-2.8 °C) in 2009 and the lowest recored low temperature was 69.1 °F (20.6 °C) in 2017. The low temperature is usually* between 42.6 °F (5.9 °C) and 54.0 °F (12.2 °C). About a quarter of the time, the low temperature is less than 42.6 °F (5.9 °C), and another quarter of the time, the low temperature is greater than and 54.0 °F (12.2 °C). About 95% of the time, the low temperature has been between 31.7 °F (-0.2 °C) and 64.9 °F (18.3 °C).
Frost
On May 18 in this location expect the temperatures to drop below freezing for a risk of frost about 2.7% 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:
- WILLOW RUN AIRPORT — Integrated Surface Dataset (ISD) station ID: 725376 — Weather Bureau Army Navy (WBAN): 14853 — from year 1973 to 2025
- ANN ARBOR MUNICIPAL ARPT — Integrated Surface Dataset (ISD) station ID: 725374 — Weather Bureau Army Navy (WBAN): 94889 — from year 2006 to 2025
- WILLOW RUN — Integrated Surface Dataset (ISD) station ID: 725376 — from year 2000 to 2003
- DETROIT WILLOW RUN AP — Weather Bureau Army Navy (WBAN): 14853 — from year 1948 to 1968