- Latitude: 42.223
- Longitude: -83.744
High Temperatures
On August 21 in this location the average high temperature is 81.0 °F (27.2 °C). The lowest recored high temperature was 66.9 °F (19.4 °C) in 1977 and the highest recored high temperature was 97.0 °F (36.1 °C) in 1955. The high temperature is usually* between 76.7 °F (24.8 °C) and 85.4 °F (29.7 °C). About a quarter of the time, the high temperature is less than 76.7 °F (24.8 °C), and another quarter of the time, the high temperature is greater than and 85.4 °F (29.7 °C). About 95% of the time, the high temperature has been between 68.4 °F (20.2 °C) and 93.7 °F (34.3 °C).
Low Temperatures
On August 21 in this location the average low temperature is 58.4 °F (14.7 °C). The lowest recored low temperature was 37.9 °F (3.3 °C) in 2024 and the lowest recored low temperature was 72.0 °F (22.2 °C) in 1980. The low temperature is usually* between 53.7 °F (12.0 °C) and 63.2 °F (17.3 °C). About a quarter of the time, the low temperature is less than 53.7 °F (12.0 °C), and another quarter of the time, the low temperature is greater than and 63.2 °F (17.3 °C). About 95% of the time, the low temperature has been between 44.6 °F (7.0 °C) and 72.3 °F (22.4 °C).
Frost
On August 21 in this location expect the temperatures to drop below freezing for a risk of frost about 0.0% 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