- Latitude: 42.621
- Longitude: -82.527
High Temperatures
On March 21 in this location the average high temperature is 47.0 °F (8.3 °C). The lowest recored high temperature was 21.4 °F (-5.9 °C) in 1965 and the highest recored high temperature was 76.5 °F (24.7 °C) in 2012. The high temperature is usually* between 40.8 °F (4.9 °C) and 53.2 °F (11.8 °C). About a quarter of the time, the high temperature is less than 40.8 °F (4.9 °C), and another quarter of the time, the high temperature is greater than and 53.2 °F (11.8 °C). About 95% of the time, the high temperature has been between 29.1 °F (-1.6 °C) and 64.9 °F (18.3 °C).
Low Temperatures
On March 21 in this location the average low temperature is 29.5 °F (-1.4 °C). The lowest recored low temperature was 10.4 °F (-12.0 °C) in 1965 and the lowest recored low temperature was 56.3 °F (13.5 °C) in 2012. The low temperature is usually* between 25.0 °F (-3.9 °C) and 33.9 °F (1.0 °C). About a quarter of the time, the low temperature is less than 25.0 °F (-3.9 °C), and another quarter of the time, the low temperature is greater than and 33.9 °F (1.0 °C). About 95% of the time, the low temperature has been between 16.6 °F (-8.5 °C) and 42.3 °F (5.7 °C).
Frost
On March 21 in this location expect the temperatures to drop below freezing for a risk of frost about 65.2% 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
- ALGONAC — Integrated Surface Dataset (ISD) station ID: 998492 — from year 2012 to 2025
- LAKE ST CLAIR MI — Integrated Surface Dataset (ISD) station ID: 994770 — from year 2005 to 2012
- SELFRIDGE ANGB — Integrated Surface Dataset (ISD) station ID: 725377 — from year 2000 to 2004
- SELFRIDGE ANGB/TRAIN — Integrated Surface Dataset (ISD) station ID: 690110 — from year 1944 to 1991