April 21 - custom location - Weather History and Averages

High Temperatures

On April 21 in this location the average high temperature is 76.3 °F (24.6 °C). The lowest recored high temperature was 50.0 °F (10.0 °C) in 1985 and the highest recored high temperature was 100.9 °F (38.3 °C) in 2009. The high temperature is usually* between 69.6 °F (20.9 °C) and 82.9 °F (28.3 °C). About a quarter of the time, the high temperature is less than 69.6 °F (20.9 °C), and another quarter of the time, the high temperature is greater than and 82.9 °F (28.3 °C). About 95% of the time, the high temperature has been between 56.8 °F (13.8 °C) and 95.7 °F (35.4 °C).

Low Temperatures

On April 21 in this location the average low temperature is 48.3 °F (9.0 °C). The lowest recored low temperature was 34.9 °F (1.6 °C) in 1973 and the lowest recored low temperature was 66.2 °F (19.0 °C) in 2013. The low temperature is usually* between 44.7 °F (7.0 °C) and 51.9 °F (11.1 °C). About a quarter of the time, the low temperature is less than 44.7 °F (7.0 °C), and another quarter of the time, the low temperature is greater than and 51.9 °F (11.1 °C). About 95% of the time, the low temperature has been between 37.8 °F (3.2 °C) and 58.8 °F (14.9 °C).

Frost

On April 21 in this location expect the temperatures to drop below freezing for a risk of frost about 0.1% 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: