April 21 - custom location - Weather History and Averages

High Temperatures

On April 21 in this location the average high temperature is 60.3 °F (15.7 °C). The lowest recored high temperature was 36.3 °F (2.4 °C) in 1963 and the highest recored high temperature was 84.0 °F (28.9 °C) in 1985. The high temperature is usually* between 54.0 °F (12.2 °C) and 66.5 °F (19.2 °C). About a quarter of the time, the high temperature is less than 54.0 °F (12.2 °C), and another quarter of the time, the high temperature is greater than and 66.5 °F (19.2 °C). About 95% of the time, the high temperature has been between 42.1 °F (5.6 °C) and 78.4 °F (25.8 °C).

Low Temperatures

On April 21 in this location the average low temperature is 40.8 °F (4.9 °C). The lowest recored low temperature was 24.3 °F (-4.3 °C) in 1981 and the lowest recored low temperature was 61.0 °F (16.1 °C) in 1973. The low temperature is usually* between 36.3 °F (2.4 °C) and 45.3 °F (7.4 °C). About a quarter of the time, the low temperature is less than 36.3 °F (2.4 °C), and another quarter of the time, the low temperature is greater than and 45.3 °F (7.4 °C). About 95% of the time, the low temperature has been between 27.6 °F (-2.4 °C) and 54.0 °F (12.2 °C).

Frost

On April 21 in this location expect the temperatures to drop below freezing for a risk of frost about 9.5% 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: