April 21 - custom location - Weather History and Averages

High Temperatures

On April 21 in this location the average high temperature is 62.9 °F (17.2 °C). The lowest recored high temperature was 41.0 °F (5.0 °C) in 1991 and the highest recored high temperature was 84.9 °F (29.4 °C) in 1987. The high temperature is usually* between 56.2 °F (13.4 °C) and 69.6 °F (20.9 °C). About a quarter of the time, the high temperature is less than 56.2 °F (13.4 °C), and another quarter of the time, the high temperature is greater than and 69.6 °F (20.9 °C). About 95% of the time, the high temperature has been between 43.4 °F (6.3 °C) and 82.4 °F (28.0 °C).

Low Temperatures

On April 21 in this location the average low temperature is 40.2 °F (4.6 °C). The lowest recored low temperature was 21.9 °F (-5.6 °C) in 2013 and the lowest recored low temperature was 61.0 °F (16.1 °C) in 1992. The low temperature is usually* between 34.6 °F (1.5 °C) and 45.8 °F (7.6 °C). About a quarter of the time, the low temperature is less than 34.6 °F (1.5 °C), and another quarter of the time, the low temperature is greater than and 45.8 °F (7.6 °C). About 95% of the time, the low temperature has been between 24.0 °F (-4.4 °C) and 56.4 °F (13.5 °C).

Frost

On April 21 in this location expect the temperatures to drop below freezing for a risk of frost about 16.0% 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: