April 21 - custom location - Weather History and Averages

High Temperatures

On April 21 in this location the average high temperature is 62.4 °F (16.9 °C). The lowest recored high temperature was 42.1 °F (5.6 °C) in 2021 and the highest recored high temperature was 89.1 °F (31.7 °C) in 1987. The high temperature is usually* between 55.4 °F (13.0 °C) and 69.3 °F (20.7 °C). About a quarter of the time, the high temperature is less than 55.4 °F (13.0 °C), and another quarter of the time, the high temperature is greater than and 69.3 °F (20.7 °C). About 95% of the time, the high temperature has been between 42.1 °F (5.6 °C) and 82.6 °F (28.1 °C).

Low Temperatures

On April 21 in this location the average low temperature is 42.7 °F (6.0 °C). The lowest recored low temperature was 25.2 °F (-3.8 °C) in 1982 and the lowest recored low temperature was 70.0 °F (21.1 °C) in 1985. The low temperature is usually* between 37.6 °F (3.1 °C) and 47.8 °F (8.8 °C). About a quarter of the time, the low temperature is less than 37.6 °F (3.1 °C), and another quarter of the time, the low temperature is greater than and 47.8 °F (8.8 °C). About 95% of the time, the low temperature has been between 27.8 °F (-2.3 °C) and 57.6 °F (14.2 °C).

Frost

On April 21 in this location expect the temperatures to drop below freezing for a risk of frost about 7.9% 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: