April 21 - custom location - Weather History and Averages

High Temperatures

On April 21 in this location the average high temperature is 69.0 °F (20.5 °C). The lowest recored high temperature was 55.4 °F (13.0 °C) in 2010 and the highest recored high temperature was 98.1 °F (36.7 °C) in 2009. The high temperature is usually* between 64.4 °F (18.0 °C) and 73.5 °F (23.1 °C). About a quarter of the time, the high temperature is less than 64.4 °F (18.0 °C), and another quarter of the time, the high temperature is greater than and 73.5 °F (23.1 °C). About 95% of the time, the high temperature has been between 55.7 °F (13.2 °C) and 82.2 °F (27.9 °C).

Low Temperatures

On April 21 in this location the average low temperature is 54.2 °F (12.4 °C). The lowest recored low temperature was 41.9 °F (5.5 °C) in 1973 and the lowest recored low temperature was 82.4 °F (28.0 °C) in 2009. The low temperature is usually* between 51.8 °F (11.0 °C) and 56.6 °F (13.7 °C). About a quarter of the time, the low temperature is less than 51.8 °F (11.0 °C), and another quarter of the time, the low temperature is greater than and 56.6 °F (13.7 °C). About 95% of the time, the low temperature has been between 47.3 °F (8.5 °C) and 61.2 °F (16.2 °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: