April 21 - custom location - Weather History and Averages

High Temperatures

On April 21 in this location the average high temperature is 71.3 °F (21.8 °C). The lowest recored high temperature was 33.8 °F (1.0 °C) in 2001 and the highest recored high temperature was 99.0 °F (37.2 °C) in 2009. The high temperature is usually* between 66.2 °F (19.0 °C) and 76.4 °F (24.7 °C). About a quarter of the time, the high temperature is less than 66.2 °F (19.0 °C), and another quarter of the time, the high temperature is greater than and 76.4 °F (24.7 °C). About 95% of the time, the high temperature has been between 56.5 °F (13.6 °C) and 86.1 °F (30.1 °C).

Low Temperatures

On April 21 in this location the average low temperature is 53.3 °F (11.8 °C). The lowest recored low temperature was 24.8 °F (-4.0 °C) in 2010 and the lowest recored low temperature was 73.0 °F (22.8 °C) in 1987. The low temperature is usually* between 50.5 °F (10.3 °C) and 56.1 °F (13.4 °C). About a quarter of the time, the low temperature is less than 50.5 °F (10.3 °C), and another quarter of the time, the low temperature is greater than and 56.1 °F (13.4 °C). About 95% of the time, the low temperature has been between 45.2 °F (7.3 °C) and 61.4 °F (16.4 °C).

Frost

On April 21 in this location expect the temperatures to drop below freezing for a risk of frost about 0.0% of the time.

Usually* in this context means around 50% of the time, assuming a normal distribution of values.

Data Source(s)

The data used to compute the average high/low temperatures for this location were taken from the following stations: