- Latitude: 42.543
- Longitude: -83.178
High Temperatures
On March 21 in this location the average high temperature is 46.7 °F (8.2 °C). The lowest recored high temperature was 21.4 °F (-5.9 °C) in 1965 and the highest recored high temperature was 84.7 °F (29.3 °C) in 2012. The high temperature is usually* between 40.4 °F (4.7 °C) and 53.0 °F (11.7 °C). About a quarter of the time, the high temperature is less than 40.4 °F (4.7 °C), and another quarter of the time, the high temperature is greater than and 53.0 °F (11.7 °C). About 95% of the time, the high temperature has been between 28.4 °F (-2.0 °C) and 65.1 °F (18.4 °C).
Low Temperatures
On March 21 in this location the average low temperature is 29.8 °F (-1.2 °C). The lowest recored low temperature was 10.4 °F (-12.0 °C) in 1965 and the lowest recored low temperature was 55.9 °F (13.3 °C) in 2012. The low temperature is usually* between 25.3 °F (-3.7 °C) and 34.4 °F (1.3 °C). About a quarter of the time, the low temperature is less than 25.3 °F (-3.7 °C), and another quarter of the time, the low temperature is greater than and 34.4 °F (1.3 °C). About 95% of the time, the low temperature has been between 16.7 °F (-8.5 °C) and 43.0 °F (6.1 °C).
Frost
On March 21 in this location expect the temperatures to drop below freezing for a risk of frost about 62.7% 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:
- SELFRIDGE AIR NATIONAL GUARD — Integrated Surface Dataset (ISD) station ID: 725377 — Weather Bureau Army Navy (WBAN): 14804 — from year 1937 to 2025
- DETROIT CITY AIRPORT — Integrated Surface Dataset (ISD) station ID: 725375 — Weather Bureau Army Navy (WBAN): 14822 — from year 1973 to 2025
- OAKLAND/TROY AIRPORT — Integrated Surface Dataset (ISD) station ID: 720113 — Weather Bureau Army Navy (WBAN): 54829 — from year 2006 to 2025
- OAKLAND CO. INTNL AIRPORT — Integrated Surface Dataset (ISD) station ID: 726375 — Weather Bureau Army Navy (WBAN): 94817 — from year 2006 to 2025
- ST CLAIR SHORES — Integrated Surface Dataset (ISD) station ID: 997996 — from year 2008 to 2025
- LAKE ST CLAIR MI — Integrated Surface Dataset (ISD) station ID: 994770 — from year 2005 to 2012
- OAKLAND CO INTL — Integrated Surface Dataset (ISD) station ID: 726375 — from year 1973 to 2005
- SELFRIDGE ANGB — Integrated Surface Dataset (ISD) station ID: 725377 — from year 2000 to 2004
- BELLE ISLE COAST GUARD STATIO — Integrated Surface Dataset (ISD) station ID: 725385 — from year 1977 to 1995
- SELFRIDGE ANGB/TRAIN — Integrated Surface Dataset (ISD) station ID: 690110 — from year 1944 to 1991
- WHITE LAKE — Integrated Surface Dataset (ISD) station ID: 726320 — from year 1977 to 1977
- DETROIT CITY AIRPORT — Weather Bureau Army Navy (WBAN): 14822 — from year 1948 to 1972