April 21 - custom location - Weather History and Averages

High Temperatures

On April 21 in this location the average high temperature is 61.1 °F (16.2 °C). The lowest recored high temperature was 40.1 °F (4.5 °C) in 2013 and the highest recored high temperature was 83.8 °F (28.8 °C) in 1987. The high temperature is usually* between 53.8 °F (12.1 °C) and 68.4 °F (20.2 °C). About a quarter of the time, the high temperature is less than 53.8 °F (12.1 °C), and another quarter of the time, the high temperature is greater than and 68.4 °F (20.2 °C). About 95% of the time, the high temperature has been between 39.9 °F (4.4 °C) and 82.3 °F (28.0 °C).

Low Temperatures

On April 21 in this location the average low temperature is 42.5 °F (5.8 °C). The lowest recored low temperature was 25.5 °F (-3.6 °C) in 2013 and the lowest recored low temperature was 65.8 °F (18.8 °C) in 1977. The low temperature is usually* between 36.8 °F (2.6 °C) and 48.3 °F (9.0 °C). About a quarter of the time, the low temperature is less than 36.8 °F (2.6 °C), and another quarter of the time, the low temperature is greater than and 48.3 °F (9.0 °C). About 95% of the time, the low temperature has been between 25.8 °F (-3.4 °C) and 59.2 °F (15.1 °C).

Frost

On April 21 in this location expect the temperatures to drop below freezing for a risk of frost about 10.8% 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: