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 38.8 °F (3.8 °C) in 1991 and the highest recored high temperature was 83.3 °F (28.5 °C) in 1987. The high temperature is usually* between 53.8 °F (12.1 °C) and 66.9 °F (19.4 °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 66.9 °F (19.4 °C). About 95% of the time, the high temperature has been between 41.3 °F (5.2 °C) and 79.3 °F (26.3 °C).

Low Temperatures

On April 21 in this location the average low temperature is 41.7 °F (5.4 °C). The lowest recored low temperature was 24.8 °F (-4.0 °C) in 1981 and the lowest recored low temperature was 59.0 °F (15.0 °C) in 1973. The low temperature is usually* between 36.6 °F (2.6 °C) and 46.7 °F (8.2 °C). About a quarter of the time, the low temperature is less than 36.6 °F (2.6 °C), and another quarter of the time, the low temperature is greater than and 46.7 °F (8.2 °C). About 95% of the time, the low temperature has been between 27.0 °F (-2.8 °C) and 56.3 °F (13.5 °C).

Frost

On April 21 in this location expect the temperatures to drop below freezing for a risk of frost about 9.8% 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: