April 21 - custom location - Weather History and Averages

High Temperatures

On April 21 in this location the average high temperature is 58.3 °F (14.6 °C). The lowest recored high temperature was 35.6 °F (2.0 °C) in 2021 and the highest recored high temperature was 82.9 °F (28.3 °C) in 1985. The high temperature is usually* between 51.1 °F (10.6 °C) and 65.5 °F (18.6 °C). About a quarter of the time, the high temperature is less than 51.1 °F (10.6 °C), and another quarter of the time, the high temperature is greater than and 65.5 °F (18.6 °C). About 95% of the time, the high temperature has been between 37.3 °F (3.0 °C) and 79.2 °F (26.2 °C).

Low Temperatures

On April 21 in this location the average low temperature is 39.6 °F (4.2 °C). The lowest recored low temperature was 24.1 °F (-4.4 °C) in 1982 and the lowest recored low temperature was 63.0 °F (17.2 °C) in 1977. The low temperature is usually* between 34.8 °F (1.5 °C) and 44.4 °F (6.9 °C). About a quarter of the time, the low temperature is less than 34.8 °F (1.5 °C), and another quarter of the time, the low temperature is greater than and 44.4 °F (6.9 °C). About 95% of the time, the low temperature has been between 25.6 °F (-3.6 °C) and 53.5 °F (12.0 °C).

Frost

On April 21 in this location expect the temperatures to drop below freezing for a risk of frost about 14.4% 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: